7Baggers

JBG SMITH Properties
(NYSE:JBGS) 

JBGS stock logo

JBG SMITH is an S&P 400 company that owns, operates, invests in and develops a dynamic portfolio of high-growth mixed-use properties in and around Washington, DC. Through an intense focus on placemaking, JBG SMITH cultivates vibrant, amenity-rich, walkable neighborhoods throughout the Capital region...

Founded: 1957
Full Time Employees: 1,017
Sector: Real Estate
Industry: REIT-Office

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At a glance:
Bull Thesis:
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Income Statements:
Quarterly
Annual
    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 
                                       
      revenue
                                       
      yoy
                                       
      qoq
                                       
      property rental
    105,856,000 104,812,000 103,981,000 106,509,000 101,499,000 108,429,000 113,349,000 112,536,000 122,636,000 118,240,000 120,294,000 120,592,000 124,033,000 123,293,000 119,811,000 117,036,000 131,598,000 128,626,000 125,900,000 122,819,000 122,241,000 104,439,000 118,680,000 115,459,000            
      third-party real estate services, including reimbursements
    17,208,000 17,797,000 14,711,000 14,805,000 14,914,000 17,139,000 17,061,000 17,397,000 17,868,000 22,463,000 23,942,000 22,862,000 22,784,000 21,050,000 21,845,000 22,157,000 23,970,000 23,309,000 25,842,000 26,745,000 38,107,000 30,069,000 26,987,000 27,167,000 29,716,000 29,121,000 34,587,000 29,487,000 27,691,000 26,421,000 23,788,000 24,160,000 24,330,000 24,355,000 25,141,000 
      other revenue
    4,538,000 4,954,000 5,178,000 5,165,000 4,273,000 5,214,000 5,616,000 5,387,000 4,680,000 6,876,000 7,326,000 8,641,000 6,145,000 6,397,000 5,958,000 6,312,000 6,397,000 5,472,000 5,280,000 5,080,000 4,941,000 14,121,000 5,368,000 2,326,000 8,011,000           
      total revenue
    127,602,000 127,563,000 123,870,000 126,479,000 120,686,000 130,782,000 136,026,000 135,320,000 145,184,000 147,579,000 151,562,000 152,095,000 152,962,000 150,740,000 147,614,000 145,505,000 161,965,000 157,407,000 157,022,000 154,644,000 165,289,000 148,629,000 151,035,000 144,952,000 158,107,000 164,877,000 167,077,000 160,617,000 155,199,000 163,255,000 158,443,000 159,447,000 163,037,000 156,371,000 152,350,000 
      expenses
                                       
      depreciation and amortization
    45,305,000 46,753,000 48,164,000 47,560,000 47,587,000 49,969,000 50,050,000 51,306,000 56,855,000 57,281,000 50,265,000 49,218,000 53,431,000 56,174,000 50,056,000 49,479,000 58,062,000 58,173,000 56,726,000 56,678,000 64,726,000 64,170,000 56,481,000 52,616,000 48,489,000 50,004,000 46,862,000 45,995,000 48,719,000 67,556,000 46,603,000 48,117,000 49,160,000 51,933,000 43,951,000 
      property operating
    36,218,000 36,838,000 36,564,000 34,875,000 33,437,000 35,818,000 39,258,000 36,254,000 35,279,000 34,937,000 37,588,000 35,912,000 35,612,000 37,535,000 36,380,000 35,445,000 40,644,000 40,709,000 40,198,000 35,000,000 34,731,000 39,758,000 37,572,000 33,792,000 34,503,000 37,535,000 35,800,000 32,113,000 32,174,000 52,619,000 34,167,000 30,416,000 30,861,000 33,714,000 29,634,000 
      real estate taxes
    12,046,000 11,756,000 12,284,000 12,651,000 12,172,000 12,600,000 11,812,000 14,399,000 13,795,000 13,607,000 14,413,000 14,424,000 15,224,000 14,297,000 14,738,000 14,946,000 18,186,000 15,696,000 18,259,000 18,558,000 18,310,000 17,536,000 17,354,000 17,869,000 18,199,000 18,252,000 16,740,000 18,266,000 17,235,000 17,030,000 16,905,000 17,509,000 19,610,000 18,456,000 17,194,000 
      general and administrative:
                                       
      corporate and other
    15,287,000 13,678,000 13,214,000 16,720,000 15,557,000 14,935,000 11,881,000 17,001,000 14,973,000 12,376,000 11,246,000 15,093,000 16,123,000 15,611,000 12,072,000 14,782,000 15,815,000 15,344,000 12,105,000 13,895,000 12,475,000 9,156,000 11,086,000 13,216,000 13,176,000 11,934,000 11,015,000 11,559,000 12,314,000 -4,031,000 12,415,000 12,651,000 12,711,000 11,595,000 10,593,000 
      third-party real estate services
    16,998,000 16,903,000 14,058,000 13,562,000 16,071,000 17,199,000 16,088,000 18,650,000 22,327,000 21,615,000 21,405,000 22,105,000 23,823,000 22,107,000 21,230,000 24,143,000 27,049,000 27,124,000 25,542,000 25,557,000 28,936,000 28,569,000 28,207,000 29,239,000 28,814,000 26,910,000 29,809,000 28,710,000 28,066,000 25,274,000 20,754,000 21,189,000 22,609,000 21,557,000 21,178,000 
      transaction and other costs
    9,841,000 972,000 494,000 2,846,000 1,911,000 2,312,000 667,000 824,000 1,514,000 943,000 1,830,000 3,492,000 2,472,000 879,000 1,746,000 1,987,000 899,000 1,518,000 2,951,000 2,270,000 3,690,000 1,144,000 845,000 1,372,000 5,309,000 13,307,000 2,059,000 2,974,000 4,895,000 15,572,000 4,126,000 3,787,000 4,221,000 12,566,000 104,095,000 
      total expenses
    135,695,000 126,900,000 124,778,000 128,214,000 126,735,000 132,833,000 129,756,000 138,434,000 144,743,000 140,911,000 136,793,000 140,244,000 147,036,000 147,625,000 136,770,000 142,359,000 162,899,000 162,023,000 159,261,000 156,399,000 167,813,000 166,579,000 158,678,000 156,962,000 157,931,000 169,901,000 151,834,000 149,140,000 154,534,000       
      other income
                             6,356,500 8,527,000 8,804,000 8,095,000 1,454,000 1,708,000 2,080,000 1,116,000 1,466,000 1,158,000 
      loss from unconsolidated real estate ventures
    -374,000         -25,679,000 -2,263,000          -943,000               
      interest and other income
    1,400,000 610,000 2,378,000 698,000 525,000 1,493,000 4,573,000 3,432,000 2,100,000 1,649,000 7,774,000 2,281,000 4,077,000 1,715,000 984,000 1,672,000 14,246,000 8,672,000 192,000 -38,000 9,000 -1,646,000  114,000 907,000 3,022,000 -640,000 2,052,000 951,000 9,991,000 4,091,000 513,000 573,000 422,000 -379,000 
      interest expense
    -35,548,000 -36,485,000 -34,781,000 -35,571,000 -35,200,000 -36,668,000 -35,267,000 -31,973,000 -30,160,000 -28,080,000 -27,903,000 -25,835,000 -26,842,000 -25,679,000 -17,932,000 -16,041,000 -16,278,000 -17,649,000 -17,243,000 -16,773,000 -16,296,000 -17,661,000 -16,885,000 -15,770,000 -12,005,000 -11,831,000 -10,583,000 -13,107,000 -17,174,000 -18,184,000 -18,979,000 -18,027,000 -19,257,000 -14,328,000 -15,309,000 
      gain on the sale of real estate
    21,075,000 -396,000 4,660,000 41,832,000 537,000 2,313,000 -5,352,000 89,000 197,000 37,729,000 906,000  40,700,000 3,263,000  158,767,000                    
      loss on the extinguishment of debt
        -4,636,000       -450,000   -1,444,000 -1,038,000 -591,000                   
      impairment loss
    -1,500,000 -20,780,000 -4,771,000 -31,813,000 -8,483,000 -37,191,000  -1,025,000 -17,211,000 -30,919,000 -59,307,000                         
      total other income
    -14,947,000 -61,306,000 -33,178,000 -21,529,000 -47,849,000 -67,987,000 -36,748,000 -29,703,000 -44,099,000 -45,300,000 -80,793,000 -23,494,000 18,368,000 -25,301,000 -32,259,000 141,253,000 386,000 -59,704,000 3,452,000 -1,568,000 -17,230,000 -32,762,000 -17,850,000 -29,141,000 45,654,000 43,103,000 -4,279,000 -14,754,000 26,411,000       
      loss before income tax benefit
    -23,040,000 -60,643,000 -34,086,000 -23,264,000 -53,898,000 -26,738,250 -30,478,000          -548,000                   
      income tax benefit
    -7,000 4,473,000 -926,000 83,000 200,000 -802,000 -831,000 -597,000 1,468,000    16,000   -2,905,000 471,000 986,000 -217,000 5,000 -4,315,000 544,000 488,000 888,000 2,345,000 613,000 -432,000 -51,000 1,172,000 -698,000 841,000 -313,000 908,000 9,595,000 1,034,000 
      net income
    -23,047,000 -56,170,000 -35,012,000 -23,181,000 -53,698,000 -70,840,000 -31,309,000 -33,414,000 -42,190,000 -37,664,000 -66,101,000 -12,254,000 24,310,000 -20,850,000 -21,581,000 141,494,000 -77,000 -63,334,000 996,000 -3,318,000 -24,069,000 -50,168,000 -25,005,000 -40,263,000 48,175,000 38,692,000 10,532,000 -3,328,000 28,248,000 994,000 26,382,000 24,023,000 -4,786,000 -18,752,000 -77,991,000 
      yoy
    -57.08% -20.71% 11.83% -30.62% 27.28% 88.08% -52.63% 172.68% -273.55% 80.64% 206.29% -108.66% -31671.43% -67.08% -2266.77% -4364.44% -99.68% 26.24% -103.98% -91.76% -149.96% -229.66% -337.42% 1109.83% 70.54% 3792.56% -60.08% -113.85% -690.22% -105.30% -133.83%     
      qoq
    -58.97% 60.43% 51.04% -56.83% -24.20% 126.26% -6.30% -20.80% 12.02% -43.02% 439.42% -150.41% -216.59% -3.39% -115.25% -183858.44% -99.88% -6458.84% -130.02% -86.21% -52.02% 100.63% -37.90% -183.58% 24.51% 267.38% -416.47% -111.78% 2741.85% -96.23% 9.82% -601.94% -74.48% -75.96%  
      net income margin %
    -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% Infinity% -Infinity% -Infinity% Infinity% -Infinity% -Infinity% Infinity% -Infinity% -Infinity% -Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% -Infinity% 
      net loss attributable to redeemable noncontrolling interests
    4,350,000 10,623,000 6,457,000 3,940,000 7,978,000 9,849,000 4,365,000 3,454,000 4,534,000 4,635,000 7,926,000 1,398,000  2,468,000 2,546,000 -18,248,000 -10,000 6,256,000 -103,000 345,000 2,230,000 4,513,000 2,212,000 3,483,000    288,000 -3,387,000 -178,000 -3,552,000  594,000 4,847,000 8,160,000 
      net loss attributable to common shareholders
    -18,697,000 -45,547,000 -28,555,000 -19,241,000 -45,720,000 -20,907,250 -26,980,000          -32,000                   
      loss per common share - basic and diluted
    -320 -740 -480 -290 -560 -237.5 -320                             
      weighted-average number of common shares outstanding - basic and diluted
    59,073,000 67,361,000 60,606,000 68,287,000 81,521,000 88,330,000 85,292,000 91,030,000 92,635,000 105,095,000 101,445,000 109,695,000 114,052,000 119,005,000 114,360,000 121,316,000 126,682,000 130,839,000 131,351,000 131,480,000  133,451,000           117,955,000 105,359,000 114,744,000 
      income from unconsolidated real estate ventures
     -41,250 -664,000 1,091,000 -592,000 1,000 -745,000 -226,000 975,000   510,000 433,000 -3,207,250 -13,867,000 -2,107,000 3,145,000 5,878,250 20,503,000 3,953,000  -3,194,000 -965,000 -13,485,000 -2,692,000 -2,042,000 -1,144,000 -1,810,000 3,601,000 23,991,000 13,484,000 3,836,000 -1,902,000 -341,250 -1,679,000 
      gain on the extinguishment of debt
       2,234,000  9,192,000 43,000                             
      net loss attributable to noncontrolling interests
         1,094,000 -36,000 5,587,000 5,380,000 432,000 168,000 311,000 224,000 -197,000 -258,000 29,000 55,000 632,000   1,108,000         -106,000  125,000 2,000   
      share-based compensation related to formation transaction and special equity awards
             152,000 46,000  351,000 1,022,000 548,000 1,577,000 2,244,000 3,459,000 3,480,000 4,441,000 4,945,000 6,246,000 7,133,000 8,858,000 9,441,000 11,959,000 9,549,000 9,523,000 11,131,000       
      income before income tax benefit
           -32,817,000 -43,658,000    24,294,000   144,399,000  -64,320,000 1,213,000 -3,323,000 -19,754,000 -50,712,000 -25,493,000 -41,151,000 45,830,000 38,079,000 10,964,000 -3,277,000 27,076,000 1,692,000 25,541,000 24,336,000 -5,694,000   
      net income attributable to common shareholders
           -24,373,000 -32,276,000 -32,597,000 -58,007,000 -10,545,000 21,171,000 -18,579,000 -19,293,000 123,275,000  -56,446,000 893,000 -2,973,000 -20,731,000 -45,655,000 -22,793,000 -36,780,000 42,925,000 34,390,000 9,360,000 -3,040,000 24,861,000 710,000 22,830,000 20,574,000 -4,190,000   
      earnings per common share - basic and diluted
           -270 -360 -330 -580 -100 190 -160 -170 1,020  -450  -30 -160               
      income before income tax expense
             -13,343,250 -66,024,000 -11,643,000  30,609,000 -21,415,000                   -15,162,250 -79,025,000 
      income tax expense
             -168,000 -77,000 -611,000  -650,000 -166,000                     
      net income attributable to redeemable noncontrolling interests
                -3,363,000            -5,250,000 -1,067,750 -1,172,000     -3,574,000    
      loss on the sale of real estate
                    -136,000                   
      gain on sale of real estate
                       11,290,000     59,477,000 57,870,000 8,088,000  39,033,000 6,394,000 11,938,000 33,396,000 455,000   
      loss on extinguishment of debt
                         -29,000   -33,000 -3,916,000  -1,889,000  -617,000 -79,000 -4,457,000  -12,000 -689,000 
      weighted-average number of common shares outstanding:
                                       
      basic
                        131,540,000  133,620,000 133,613,000 134,542,000 130,687,000 134,127,000 131,754,000 122,573,000 119,176,000 119,835,000 117,955,000    
      diluted
                        131,540,000  133,620,000 133,613,000 135,429,000 130,687,000 134,127,000 131,754,000 123,423,000 119,176,000 119,835,000 117,955,000    
      earnings per common share:
                                       
      basic
                         -35 -180 -280 320 250 60 -30 200 -20 190 170 -40 -150 -610 
      diluted
                         -35 -180 -280 320 250 60 -30 200 -20 190 170 -40 -150 -610 
      property rentals
                            120,380,000 127,571,000 123,963,000 122,326,000 119,413,000 124,741,000 123,203,000 125,240,000 126,651,000 119,726,000 116,458,000 
      reduction of gain on bargain purchase
                                   -7,606,000    
      tenant reimbursements
                                 10,639,000 9,744,000 7,967,000 10,940,000 10,824,000 9,593,000 
      share-based compensation related to formation transaction
                                 6,728,000 8,387,000 9,097,000 9,428,000 14,806,000 14,445,000 
      total operating expenses
                                 108,680,750 143,357,000 142,766,000 148,600,000 164,627,000 241,090,000 
      operating income
                                 11,551,000 15,086,000 16,681,000 14,437,000 -8,256,000 -88,740,000 
      yoy
                                 -239.91% -117.00%     
      qoq
                                 -23.43% -9.56% 15.54% -274.87% -90.70%  
      operating margin %
    NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% 
      gain (reduction of gain) on bargain purchase
                                       
      gain on bargain purchase
                                     -3,395,000 27,771,000 
      net income attributable to jbg smith properties
                                     -14,462,750 -69,831,000 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 
                                          
        assets
                                          
        real estate, at cost:
                                          
        land and improvements
      980,178,000 1,019,967,000 1,026,236,000 995,504,000 1,101,149,000 1,109,172,000 1,171,458,000 1,196,065,000 1,187,685,000 1,194,737,000 1,207,873,000 1,267,379,000 1,267,022,000 1,302,569,000 1,273,947,000 1,217,216,000 1,212,501,000 1,378,218,000 1,358,299,000 1,357,904,000 1,384,157,000 1,391,472,000 1,314,106,000 1,285,415,000 1,281,375,000 1,240,455,000 1,283,043,000 1,227,558,000 1,227,255,000 1,371,874,000 1,366,154,000 1,444,872,000 1,469,375,000 1,368,294,000 1,272,997,000 930,001,000 
        buildings and improvements
      3,971,356,000 3,973,514,000 4,035,802,000 3,860,105,000 4,115,038,000 4,083,937,000 4,243,690,000 4,323,620,000 4,283,889,000 4,021,322,000 4,037,280,000 4,175,488,000 4,157,110,000 4,310,821,000 4,117,823,000 4,004,286,000 3,968,601,000 4,513,606,000 4,368,477,000 4,355,187,000 4,309,606,000 4,341,103,000 4,225,616,000 4,065,543,000 3,985,055,000 3,880,973,000 3,824,467,000 3,717,356,000 3,717,906,000 3,722,930,000 3,678,335,000 3,832,013,000 3,880,993,000 3,670,268,000 3,662,853,000 3,028,517,000 
        construction in progress, including land
      186,581,000 175,673,000 170,333,000 340,944,000 327,414,000 338,333,000 443,908,000 425,653,000 427,524,000 659,103,000 709,878,000 694,793,000 619,111,000 544,692,000 471,867,000 385,085,000 348,523,000 344,652,000 299,359,000 273,542,000 285,206,000 268,056,000 400,933,000 563,133,000 585,103,000 654,091,000 763,080,000 859,717,000 751,730,000 697,930,000 649,056,000 595,063,000 568,186,000 978,942,000 906,680,000  
        real estate, at cost: - sum
      5,138,115,000 5,169,154,000 5,232,371,000 5,196,553,000 5,543,601,000 5,531,442,000 5,859,056,000 5,945,338,000 5,899,098,000 5,875,162,000 5,955,031,000 6,137,660,000 6,043,243,000 6,158,082,000 5,863,637,000 5,606,587,000 5,529,625,000 6,236,476,000 6,026,135,000 5,986,633,000 5,978,969,000 6,000,631,000 5,940,655,000 5,914,091,000 5,851,533,000 5,775,519,000 5,870,590,000 5,804,631,000 5,696,891,000 5,792,734,000 5,693,545,000 5,871,948,000 5,918,554,000 6,025,797,000 5,842,530,000 4,171,313,000 
        less: accumulated depreciation
      -1,444,854,000 -1,408,641,000 -1,449,973,000 -1,420,865,000 -1,452,387,000 -1,419,983,000 -1,429,079,000 -1,418,923,000 -1,379,090,000 -1,338,403,000 -1,355,355,000 -1,396,766,000 -1,355,655,000 -1,335,000,000 -1,299,818,000 -1,257,871,000 -1,216,402,000 -1,368,003,000 -1,346,107,000                  
        real estate
      3,693,261,000 3,760,513,000 3,782,398,000 3,775,688,000 4,091,214,000 4,111,459,000 4,429,977,000 4,526,415,000 4,520,008,000 4,536,759,000 4,599,676,000 4,740,894,000 4,687,588,000 4,823,082,000 4,563,819,000 4,348,716,000 4,313,223,000 4,868,473,000 4,680,028,000 4,689,227,000 4,729,356,000 4,767,941,000 4,713,628,000 4,719,348,000 4,696,419,000 4,655,948,000 4,760,693,000 4,710,966,000 4,621,582,000 4,740,859,000 4,672,949,000 4,826,316,000 4,873,442,000 5,014,467,000 4,860,076,000 3,211,961,000 
        cash and cash equivalents
      79,780,000 75,270,000 64,437,000 61,432,000 81,338,000 145,804,000 136,983,000 163,536,000 220,514,000 164,773,000 130,522,000 156,639,000 279,553,000 241,098,000 258,871,000 162,270,000 189,140,000 264,356,000 194,277,000 201,150,000 208,708,000 225,600,000 455,111,000 710,677,000 295,442,000 126,413,000 230,147,000 280,349,000 395,584,000 260,553,000 253,148,000 239,440,000 221,578,000 316,676,000 367,896,000 280,613,000 
        restricted cash
      35,075,000 28,020,000 23,342,000 29,530,000 38,997,000 37,388,000 33,161,000 42,366,000 39,752,000 35,668,000 38,257,000 46,205,000 42,339,000 32,975,000 212,998,000 212,848,000 30,073,000 37,739,000 34,900,000 37,543,000 39,839,000 37,736,000 37,602,000 20,356,000 18,577,000 16,103,000 13,573,000 16,429,000 17,877,000 138,979,000 127,061,000 22,248,000 26,830,000 21,881,000 17,521,000 3,735,000 
        tenant and other receivables
      27,079,000 21,810,000 23,797,000 21,372,000 22,474,000 23,478,000 30,734,000 31,427,000 40,223,000 44,231,000 44,080,000 44,863,000 46,241,000 56,304,000 48,221,000 46,605,000 45,702,000 44,496,000 51,128,000 43,724,000 45,567,000 55,903,000 47,460,000 56,102,000 56,036,000 52,941,000 53,965,000 51,787,000 49,979,000 46,568,000 40,409,000 37,860,000 52,433,000 46,734,000 50,474,000 28,232,000 
        deferred rent receivable
      183,731,000 182,891,000 179,853,000 175,709,000 170,986,000 170,153,000 185,221,000 181,295,000 178,111,000 171,229,000 171,121,000 165,797,000 159,287,000 170,824,000 161,994,000 154,487,000 151,024,000 192,265,000 187,882,000 182,565,000 177,043,000 170,547,000 184,394,000 177,951,000 174,728,000 169,721,000 172,386,000 162,641,000 152,323,000 143,473,000 137,200,000 144,837,000 148,094,000 146,315,000 145,683,000 143,395,000 
        investments in unconsolidated real estate ventures
      105,348,000 105,711,000 91,539,000 93,859,000 92,781,000 93,654,000 100,682,000 101,043,000 104,782,000 264,281,000 296,397,000 309,219,000 312,651,000 299,881,000 360,846,000 414,349,000 461,444,000 462,885,000 486,052,000 497,770,000 455,476,000 461,369,000 463,026,000 464,437,000 542,983,000 543,026,000 320,920,000 319,756,000        45,476,000 
        deferred leasing costs
      64,972,000 66,356,000 68,367,000 70,684,000 68,563,000 69,821,000 78,171,000 80,179,000 79,538,000 81,477,000                           
        intangible assets
      29,422,000 30,333,000 51,988,000 52,863,000 45,525,000 47,000,000 49,045,000 52,421,000 54,401,000 56,616,000 139,876,000 144,308,000 149,243,000 162,246,000 155,812,000 157,819,000 162,139,000                    
        other assets
      117,126,000 117,287,000 131,382,000 117,076,000 120,725,000 131,318,000 138,503,000 146,434,000 168,021,000 163,481,000 217,903,000 175,677,000 158,118,000 117,028,000 133,419,000 82,808,000 71,385,000 442,116,000 300,537,000 282,356,000 289,452,000 286,575,000 302,014,000 273,030,000 281,752,000 253,687,000 301,760,000 296,916,000 297,525,000 264,994,000 281,958,000 273,722,000 276,003,000 263,923,000 288,391,000 119,795,000 
        total assets
      4,335,794,000 4,388,191,000 4,417,103,000 4,549,295,000 4,732,603,000 5,020,540,000 5,182,477,000 5,325,116,000 5,405,350,000 5,518,515,000 5,666,168,000 5,783,602,000 5,835,020,000 5,903,438,000 5,895,980,000 5,579,902,000 6,315,880,000 6,386,206,000 6,008,978,000 6,008,211,000 6,019,317,000 6,079,547,000 6,277,324,000 6,495,777,000 6,139,813,000 5,986,251,000 6,022,264,000 6,007,275,000 6,024,694,000 5,997,285,000 6,011,194,000 5,914,949,000 6,061,746,000 6,071,807,000 6,015,027,000 3,909,945,000 
        liabilities, redeemable noncontrolling interests and equity
                                          
        liabilities:
                                          
        mortgage loans
      1,580,147,000 1,579,158,000 1,577,796,000 1,540,670,000 1,626,703,000 1,767,173,000 1,816,156,000 1,876,459,000 1,816,508,000 1,783,014,000 1,727,133,000 1,689,207,000 1,802,051,000 1,890,174,000                       
        revolving credit facility
      230,000,000 205,000,000 160,000,000 226,000,000 162,000,000 85,000,000 90,000,000 40,000,000  62,000,000 92,000,000 62,000,000   100,000,000  300,000,000 300,000,000      500,000,000 200,000,000 200,000,000      35,729,000 115,751,000 115,751,000 115,751,000  
        term loans
      718,620,000 718,408,000 718,450,000 718,252,000 718,055,000 717,853,000 717,578,000 717,610,000 717,391,000 717,172,000 716,953,000 716,757,000                         
        accounts payable and accrued expenses
      71,833,000 84,748,000 79,385,000 81,312,000 92,329,000 101,096,000 99,773,000 107,810,000 133,084,000 124,874,000 135,085,000 129,325,000 124,268,000 138,060,000 130,408,000 112,784,000 108,436,000 106,136,000 105,307,000 99,310,000 95,813,000 103,102,000 111,440,000 125,433,000 124,811,000 157,702,000 160,031,000 140,132,000 134,776,000 130,960,000 147,211,000 130,431,000 130,185,000 138,607,000 131,627,000 31,779,000 
        other liabilities
      100,479,000 131,945,000 124,691,000 116,109,000 144,288,000 115,827,000 118,373,000 111,982,000 129,489,000 138,869,000 145,550,000 139,445,000 164,627,000 132,710,000 98,831,000 111,852,000 106,929,000 342,565,000 200,204,000 201,556,000 203,484,000 247,774,000 216,494,000 220,414,000 228,323,000 206,042,000 205,705,000 192,638,000 174,434,000 181,606,000 119,552,000 126,265,000 133,353,000 161,277,000 100,774,000 50,045,000 
        total liabilities
      2,701,079,000 2,719,259,000 2,660,322,000 2,683,299,000 2,743,375,000 2,787,850,000 2,841,880,000 2,853,861,000 2,796,472,000 2,825,929,000 2,816,721,000 2,736,734,000 2,638,202,000 2,708,016,000 2,617,732,000 2,235,305,000 2,894,785,000 2,925,064,000 2,378,289,000 2,290,331,000 2,289,544,000 2,342,593,000 2,416,465,000 2,556,008,000 2,145,619,000 1,986,816,000 2,021,497,000 1,990,189,000 2,442,815,000 2,451,793,000 2,379,339,000 2,295,660,000 2,455,546,000 2,487,864,000 2,372,215,000 1,747,805,000 
        commitments and contingencies
                                          
        redeemable noncontrolling interests
      494,820,000 511,342,000 566,200,000 543,203,000 418,236,000 423,632,000 444,945,000 436,673,000 435,529,000 440,737,000 444,361,000 455,886,000 457,778,000 481,310,000 491,479,000 521,392,000 546,049,000 522,725,000 526,913,000 544,639,000 552,927,000 530,748,000 490,921,000 499,083,000 503,040,000 612,758,000 586,532,000 574,228,000 584,763,000 558,140,000 562,318,000 665,623,000 605,504,000 609,129,000 567,001,000  
        shareholders' equity:
                                          
        preferred shares, 0.01 par value - 200,000 shares authorized; none issued
                                          
        common shares, 0.01 par value - 470,000 shares authorized; 58,413 and 59,527 shares issued and outstanding as of march 31, 2026 and december 31, 2025
      585,000                                    
        class b common shares, 0.01 par value - 30,000 shares authorized; 16,124 and 13,645 shares issued and outstanding as of march 31, 2026 and december 31, 2025
      161,000                                    
        additional paid-in capital
      2,335,815,000 2,338,881,000 2,305,136,000 2,397,255,000 2,607,115,000 2,790,403,000 2,789,447,000 2,855,724,000 2,941,724,000 2,978,852,000 3,043,036,000 3,156,511,000 3,282,290,000 3,263,738,000 3,265,659,000 3,285,511,000 3,444,793,000 3,539,916,000 3,606,462,000 3,650,217,000 3,631,277,000 3,657,643,000 3,721,059,000 3,742,205,000 3,723,795,000 3,633,042,000 3,643,333,000 3,644,699,000 3,150,133,000 3,155,256,000 3,150,899,000 3,035,194,000 3,080,926,000 3,063,625,000 3,099,056,000  
        accumulated deficit
      -1,199,107,000 -1,180,410,000 -1,114,062,000 -1,074,678,000 -1,043,003,000 -997,283,000 -907,777,000 -865,782,000 -825,304,000 -776,962,000 -722,847,000 -641,813,000 -607,465,000 -628,636,000 -558,788,000 -513,746,000 -609,363,000 -609,331,000 -495,033,000 -466,230,000 -433,675,000 -412,944,000 -307,975,000 -255,162,000 -188,239,000 -231,164,000 -205,192,000 -184,373,000 -151,157,000 -176,018,000 -110,219,000 -105,962,000 -99,999,000 -95,809,000 -28,827,000  
        accumulated other comprehensive income
      2,441,000 -1,613,000 -1,087,000 -404,000 6,149,000 15,092,000 -477,000 28,830,000 31,352,000 20,042,000 51,668,000 43,491,000 32,036,000 45,644,000 46,870,000 18,640,000 9,935,000         -16,744,000 -25,578,000 -19,156,000 -3,452,000 6,700,000 24,132,000 19,662,000 14,867,000 1,612,000   
        total equity
      1,139,895,000 1,157,590,000 1,190,581,000 1,322,793,000 1,570,992,000 1,809,058,000 1,895,652,000 2,034,582,000 2,173,349,000 2,251,849,000 2,405,086,000 2,590,982,000 2,739,040,000 2,714,112,000 2,786,769,000 2,823,205,000 2,875,046,000 2,938,417,000 3,103,776,000 3,173,241,000 3,176,846,000 3,206,206,000 3,369,938,000 3,440,686,000 3,491,154,000 3,386,677,000 3,414,235,000 3,442,858,000 2,997,116,000 2,987,352,000 3,069,537,000 2,953,666,000 3,000,696,000 2,974,814,000 3,075,811,000 2,162,140,000 
        total liabilities, redeemable noncontrolling interests and equity
      4,335,794,000 4,388,191,000 4,417,103,000 4,549,295,000 4,732,603,000 5,020,540,000 5,182,477,000 5,325,116,000 5,405,350,000 5,518,515,000 5,666,168,000 5,783,602,000 5,835,020,000 5,903,438,000 5,895,980,000 5,579,902,000 6,315,880,000 6,386,206,000 6,008,978,000 6,008,211,000 6,019,317,000 6,079,547,000 6,277,324,000 6,495,777,000 6,139,813,000 5,986,251,000 6,022,264,000 6,007,275,000 6,024,694,000 5,997,285,000 6,011,194,000 5,914,949,000 6,061,746,000 6,071,807,000 6,015,027,000  
        assets held for sale
         151,082,000  190,465,000     28,336,000      891,750,000 73,876,000 74,174,000 73,876,000 73,876,000 73,876,000 74,089,000 73,876,000 73,876,000 168,412,000 168,820,000 168,431,000 168,458,000 78,981,000 137,455,000 2,218,000 95,314,000    
        liabilities related to assets held for sale
         956,000  901,000           368,006,000    213,000    213,000  66,000  486,000 3,717,000 45,657,000  58,524,000    
        common shares, 0.01 par value - 470,000 shares authorized; 59,527 and 84,500 shares issued and outstanding as of december 31, 2025 and 2024
       596,000                                   
        class b common shares, 0.01 par value - 30,000 shares authorized; 13,645 shares issued and outstanding as of december 31, 2025
       136,000                                   
        common shares, 0.01 par value - 500,000 shares authorized; 59,302 and 84,500 shares issued and outstanding as of september 30, 2025 and december 31, 2024
        594,000                                  
        common shares, 0.01 par value - 500,000 shares authorized; 61,945 and 84,500 shares issued and outstanding as of june 30, 2025 and december 31, 2024
         620,000                                 
        common shares, 0.01 par value - 500,000 shares authorized; 73,033 and 84,500 shares issued and outstanding as of march 31, 2025 and december 31, 2024
          731,000                                
        common shares, 0.01 par value - 500,000 shares authorized; 84,500 and 94,309 shares issued and outstanding as of december 31, 2024 and 2023
           846,000                               
        total shareholders' equity of jbg smith properties
           1,809,058,000 1,882,038,000 2,019,646,000 2,148,691,000 2,222,876,000 2,372,835,000 2,559,241,000 2,707,998,000 2,681,887,000 2,754,879,000 2,791,565,000 2,846,608,000 2,915,910,000 3,087,281,000 3,156,701,000 3,168,116,000 3,206,039,000 3,369,759,000 3,440,495,000 3,490,951,000 3,386,476,000 3,413,905,000 3,442,512,000 2,996,751,000 2,987,148,000 3,066,022,000 2,950,074,000 2,996,974,000 2,970,608,000 3,071,409,000  
        noncontrolling interests
            13,614,000 14,936,000 24,658,000 28,973,000 32,251,000 31,741,000 31,042,000 32,225,000 31,890,000 31,640,000 28,438,000 22,507,000 16,495,000 16,540,000 8,730,000               295,000 
        common shares, 0.01 par value - 500,000 shares authorized; 84,434 and 94,309 shares issued and outstanding as of september 30, 2024 and december 31, 2023
            845,000                              
        common shares, 0.01 par value - 500,000 shares authorized; 87,306 and 94,309 shares issued and outstanding as of june 30, 2024 and december 31, 2023
             874,000                             
        common shares, 0.01 par value - 500,000 shares authorized; 91,819 and 94,309 shares issued and outstanding as of march 31, 2024 and december 31, 2023
              919,000                            
        common shares, 0.01 par value - 500,000 shares authorized; 94,309 and 114,013 shares issued and outstanding as of december 31, 2023 and 2022
               944,000                           
        common shares, 0.01 par value - 500,000 shares authorized; 97,717 and 114,013 shares issued and outstanding as of september 30, 2023 and december 31, 2022
                978,000                          
        common shares, 0.01 par value - 500,000 shares authorized; 105,139 and 114,013 shares issued and outstanding as of june 30, 2023 and december 31, 2022
                 1,052,000                         
        unsecured term loans
                  547,256,000 547,072,000 546,888,000 398,500,000 398,332,000 398,664,000 398,493,000 398,322,000 398,151,000 397,979,000 397,808,000 397,637,000 297,466,000 297,295,000 297,124,000 296,952,000 297,277,000 297,129,000 296,981,000      
        common shares, 0.01 par value - 500,000 shares authorized; 113,583 and 114,013 shares issued and outstanding as of march 31, 2023 and december 31, 2022
                  1,137,000                        
        common shares, 0.01 par value - 500,000 shares authorized; 114,013 and 127,378 shares issued and outstanding as of december 31, 2022 and 2021
                   1,141,000                       
        mortgages payable
                    1,741,605,000 1,612,169,000 1,613,082,000 1,777,699,000 1,674,285,000 1,591,143,000 1,591,883,000 1,593,738,000 1,690,723,000 1,312,524,000 1,294,806,000 1,125,777,000 1,358,571,000 1,360,467,000 1,835,842,000 1,838,381,000 1,769,938,000 1,906,402,000 1,921,048,000 2,025,692,000 1,977,674,000 1,376,077,000 
        common shares, 0.01 par value - 500,000 shares authorized; 113,764 and 127,378 shares issued and outstanding as of september 30, 2022 and december 31, 2021
                    1,138,000                      
        common shares, 0.01 par value - 500,000 shares authorized; 115,862 and 127,378 shares issued and outstanding as of june 30, 2022 and december 31, 2021
                     1,160,000                     
        common shares, 0.01 par value - 500,000 shares authorized; 124,248 and 127,378 shares issued and outstanding as of march 31, 2022 and december 31, 2021
                      1,243,000                    
        common shares, 0.01 par value - 500,000 shares authorized; 127,378 and 131,778 shares issued and outstanding as of december 31, 2021 and 2020
                       1,275,000                   
        accumulated other comprehensive loss
                       -15,950,000 -25,446,000 -28,605,000 -30,800,000 -39,979,000 -44,650,000 -47,886,000 -45,941,000            
        common shares, 0.01 par value - 500,000 shares authorized; 129,704 and 131,778 shares issued and outstanding as of september 30, 2021 and december 31, 2020
                        1,298,000                  
        less accumulated depreciation
                         -1,297,406,000 -1,249,613,000 -1,232,690,000 -1,227,027,000 -1,194,743,000 -1,155,114,000 -1,119,571,000 -1,109,897,000 -1,093,665,000 -1,075,309,000 -1,051,875,000 -1,020,596,000 -1,045,632,000 -1,045,112,000 -1,011,330,000 -982,454,000 -959,352,000 
        common shares, 0.01 par value - 500,000 shares authorized; 131,841 and 131,778 shares issued and outstanding as of june 30, 2021 and december 31, 2020
                         1,319,000                 
        common shares, 0.01 par value - 500,000 shares authorized; 131,277 and 131,778 shares issued and outstanding as of march 31, 2021 and december 31, 2020
                          1,314,000                
        common shares, 0.01 par value - 500,000 shares authorized; 131,778 and 134,148 shares issued and outstanding as of december 31, 2020 and 2019
                           1,319,000               
        noncontrolling interests in consolidated subsidiaries
                           167,000 179,000 191,000 203,000 201,000 330,000 346,000 365,000 204,000 3,515,000 3,592,000 3,722,000 4,206,000 4,402,000  
        preferred shares, 0.01 par value - 200,000 shares authorized, none issued
                                          
        common shares, 0.01 par value - 500,000 shares authorized; 132,438 and 134,148 shares issued and outstanding as of september 30, 2020 and december 31, 2019
                            1,325,000              
        common shares, 0.01 par value - 500,000 shares authorized; 133,708 and 134,148 shares issued and outstanding as of june 30, 2020 and december 31, 2019
                             1,338,000             
        common shares, 0.01 par value - 500,000 shares authorized; 133,517 and 134,148 shares issued and outstanding as of march 31, 2020 and december 31, 2019
                              1,336,000            
        common shares, 0.01 par value - 500,000 shares authorized; 134,148 and 120,937 shares issued and outstanding as of december 31, 2019 and 2018
                               1,342,000           
        common shares, 0.01 par value - 500,000 shares authorized; 134,127 and 120,937 shares issued and outstanding as of september 30, 2019 and december 31, 2018
                                1,342,000          
        common shares, 0.01 par value - 500,000 shares authorized; 134,127 and 120,937 shares issued and outstanding as of june 30, 2019 and december 31, 2018
                                 1,342,000         
        investments in and advances to unconsolidated real estate ventures
                                  321,366,000 322,878,000 361,014,000 368,308,000 368,052,000 261,811,000 284,986,000  
        common shares, 0.01 par value - 500,000 shares authorized; 122,594 and 120,937 shares issued and outstanding as of march 31, 2019 and december 31, 2018
                                  1,227,000        
        common shares, 0.01 par value - 500,000 shares authorized; 120,937 and 117,955 shares issued and outstanding as of december 31, 2018 and 2017
                                   1,210,000       
        common shares, 0.01 par value - 500,000 shares authorized; 120,917 and 117,955 shares issued and outstanding as of september 30, 2018 and december 31, 2017
                                    1,210,000      
        unsecured term loan
                                     96,833,000 96,685,000 46,537,000 46,389,000  
        common shares, 0.01 par value - 500,000 shares authorized and 117,955 shares issued and outstanding as of june 30, 2018 and december 31, 2017
                                     1,180,000     
        common shares, 0.01 par value - 500,000 shares authorized and 117,955 shares issued and outstanding as of march 31, 2018 and december 31, 2017
                                      1,180,000    
        real estate held for sale
                                       8,293,000   
        receivable from former parent
                                          
        payable to former parent
                                          
        common shares, 0.01 par value - 500,000 shares authorized and 117,955 shares issued and outstanding at december 31, 2017
                                       1,180,000   
        former parent equity
                                          
        common shares, 0.01 par value - 500,000 shares authorized and 117,957 shares issued and outstanding at september 30, 2017
                                        1,180,000  
        construction in progress
                                         212,795,000 
        receivable from vornado realty trust
                                         76,738,000 
        liabilities and equity
                                          
        payable to vornado realty trust
                                         289,904,000 
        equity:
                                          
        parent equity
                                         2,161,845,000 
        total liabilities and equity
                                         3,909,945,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 
                                           
          operating activities
                                           
          net loss
        -23,047,000 -56,170,000 -35,012,000 -23,181,000 -53,698,000            -77,000                   
          adjustments to reconcile net loss to net cash from operating activities:
                                           
          share-based compensation expense
        8,033,000 5,002,000 4,967,000 7,722,000 7,165,000 3,366,000 5,129,000 11,491,000 9,538,000 5,089,000 6,497,000 10,086,000 10,428,000 8,948,000 6,949,000 12,471,000 12,904,000 13,231,000 11,428,000 13,656,000 13,236,000 12,868,000 15,009,000 20,812,000 17,362,000 17,841,000 15,318,000 15,525,000 16,589,000 12,985,000 12,414,000 14,177,000 13,099,000 16,529,000  
          depreciation and amortization expense, including amortization of deferred financing costs
        47,190,000 48,639,000 50,005,000 49,378,000 49,451,000 51,802,000 51,746,000 52,982,000 58,462,000 58,787,000 51,736,000 50,468,000 54,637,000                       
          deferred rent
        -788,000 -2,960,000 -4,109,000 -4,707,000 -837,000 -1,391,000 -3,943,000 -3,146,000 -7,051,000 -70,000 -5,338,000 -6,523,000 -8,733,000 -8,838,000 -7,527,000 -3,531,000 -3,706,000 -4,501,000 -5,293,000 -5,576,000 -6,594,000 -960,000 -7,396,000 -5,114,000 -6,614,000 -10,010,000 -10,822,000 -9,001,000 -9,341,000 -6,176,000 -1,615,000 -2,971,000 -3,294,000 -1,139,000  
          loss from unconsolidated real estate ventures
        374,000 4,255,000   592,000 7,126,000    25,679,000    4,600,000   -3,145,000 25,583,000 -20,503,000 -3,953,000 943,000 3,194,000 965,000 13,485,000 2,692,000    -3,601,000 -23,991,000   1,902,000 2,778,000  
          amortization of market lease intangibles
        82,000  83,000 35,000 -69,000 -14,000 61,000 56,000 58,000 -193,000 -257,000 -257,000 -253,000 -253,000 -253,000 -268,000 -353,000 -293,000 -238,000 -200,000 -458,000 -86,000 -96,000 -97,000 -163,000           
          amortization of lease incentives
        571,000 1,653,000 3,518,000 3,075,000 3,865,000 1,434,000 760,000 741,000 2,696,000 -101,000 472,000 599,000 741,000 1,559,000 1,872,000 1,929,000 2,374,000 1,890,000 1,892,000 1,846,000 2,345,000 1,459,000 1,619,000 1,916,000 1,609,000 1,992,000 555,000 1,732,000 2,057,000 -240,000 498,000 848,000 2,300,000   
          loss on the extinguishment of debt
         417,000 4,636,000 -9,192,000                           
          impairment loss
        1,500,000 20,780,000 4,771,000 31,813,000 8,483,000 37,191,000 1,025,000 17,211,000 30,919,000                          
          gain on the sale of real estate
        -21,075,000   -41,832,000 -537,000   -89,000 -197,000 -37,729,000 -906,000   -3,263,000                     
          loss on operating lease and other receivables
        154,000 625,000 139,000 251,000 706,000 542,000 482,000 1,260,000 311,000 949,000 284,000 864,000 -1,215,000 768,000 654,000 151,000 587,000 1,524,000                  
          loss from investments
        -140,000   -168,000 438,000                               
          return on capital from unconsolidated real estate ventures
        594,000 185,000 467,000 474,000 390,000 214,000 501,000 1,179,000 8,068,000 3,279,000 5,493,000 3,861,000 2,924,000 2,455,000 3,149,000 2,879,000 2,700,000 2,864,000 4,396,000 5,952,000 605,000 1,820,000 1,345,000 532,000 854,000 343,000 1,095,000 398,000 1,007,000 1,652,000 1,404,000 3,764,000 1,414,000  
          other non-cash items
        -156,000 -4,398,000 1,298,000 840,000 1,308,000 1,180,000 2,111,000 2,150,000 365,000 2,232,000 2,786,000 2,768,000 3,032,000 1,835,000 -2,571,000 -1,676,000 -3,105,000 -1,505,000 110,000 1,106,000 -633,000 4,061,000 161,000 220,000 -116,000 497,000 -251,000 -248,000 519,000 -111,000 670,000 688,000 141,000 -2,538,000  
          changes in operating assets and liabilities:
                                           
          tenant and other receivables
        -5,423,000 1,362,000 -2,519,000 -570,000 1,674,000 6,746,000 220,000 7,536,000 3,710,000 -1,100,000 85,000 514,000 11,624,000 -8,110,000 -2,197,000 -1,054,000 -1,793,000 5,108,000 -7,500,000 1,368,000 9,836,000 -4,474,000 5,441,000 -5,988,000 -4,210,000 695,000 -2,845,000 -2,047,000 -4,185,000 -7,749,000 -3,710,000 11,915,000 -6,038,000 1,519,000 -8,089,000 
          other assets
        -1,140,000 9,240,000 -11,413,000 -85,000 -1,830,000 11,248,000 -14,562,000 761,000 464,000 13,346,000 -26,578,000 2,853,000 1,420,000 9,815,000 -16,883,000 -2,302,000 -1,367,000 -721,000 -12,333,000 -1,841,000 2,115,000 491,000 -11,479,000 1,018,000 -1,105,000 4,681,000 -10,918,000 -4,587,000 1,647,000 2,037,000 -13,374,000 -422,000 -4,841,000 9,403,000 -18,016,000 
          accounts payable and accrued expenses
        -2,870,000 4,732,000 2,693,000 -4,731,000 -7,482,000 10,052,000 10,129,000 -13,560,000 -6,015,000 6,874,000 1,043,000 -3,103,000 -16,069,000 2,366,000 -2,273,000 3,200,000 -4,575,000 2,746,000 5,716,000 1,080,000 -842,000 -775,000 2,983,000 4,351,000 -5,968,000 9,493,000 11,342,000 -9,570,000 -18,943,000 17,891,000 6,338,000 -13,024,000 -17,189,000 -2,917,000 18,718,000 
          other liabilities
        -450,000 -754,000 -149,000 1,177,000 -1,320,000 -4,868,000 2,080,000 -4,073,000 -503,000 -6,798,000 -3,252,000 -5,142,000 1,780,000 -1,119,000 -2,888,000 -9,805,000 23,748,000 21,000 -4,152,000 1,609,000 -1,577,000 -11,567,000 -3,351,000 -9,531,000 -2,865,000 -11,211,000 5,159,000 -4,301,000 -7,867,000 -7,587,000 -9,554,000 -2,742,000 746,000 -6,580,000 -2,084,000 
          net cash from operating activities
        3,409,000 32,632,000 8,873,000 18,817,000 12,935,000 42,203,000 26,377,000 23,770,000 37,043,000 68,479,000 25,462,000 46,799,000 42,632,000 47,671,000 22,717,000 38,051,000 69,598,000 63,210,000 30,856,000 57,054,000 66,502,000 41,166,000 42,336,000 43,603,000 41,916,000 61,347,000 59,856,000 34,875,000 17,908,000 51,532,000 43,116,000 58,884,000 34,661,000 50,790,000 -49,265,000 
          capital expenditures
          free cash flows
        3,409,000 32,632,000 8,873,000 18,817,000 12,935,000 42,203,000 26,377,000 23,770,000 37,043,000 68,479,000 25,462,000 46,799,000 42,632,000 47,671,000 22,717,000 38,051,000 69,598,000 63,210,000 30,856,000 57,054,000 66,502,000 41,166,000 42,336,000 43,603,000 41,916,000 61,347,000 59,856,000 34,875,000 17,908,000 51,532,000 43,116,000 58,884,000 34,661,000 50,790,000 -49,265,000 
          investing activities
                                           
          development costs, construction in progress and real estate additions
        -23,236,000 -30,104,000 -29,751,000 -33,326,000 -29,091,000 -45,978,000 -58,614,000 -65,455,000 -47,982,000 -92,408,000 -76,560,000 -86,444,000 -78,332,000 -107,906,000 -90,721,000 -75,428,000 -52,686,000 -64,816,000 -40,953,000 -38,909,000 -28,499,000 -62,041,000 -64,224,000 -74,219,000 -107,013,000 -146,659,000 -113,348,000 -112,340,000 -68,667,000 -125,547,000 -94,678,000 -81,075,000 -84,643,000 -94,671,000 -61,175,000 
          proceeds from the sale of real estate
        46,582,000 7,544,000 156,034,000 192,828,000 188,779,000 105,014,000 84,600,000 12,410,000 119,433,000 93,094,000 68,998,000 5,800,000 919,959,000 3,149,000                   
          proceeds from derivative financial instruments
        1,879,000 2,347,000 2,409,000 2,430,000 2,537,000 3,157,000 2,132,000 1,476,000 1,465,000 1,457,000                          
          distributions of capital from unconsolidated real estate ventures and other investments
         1,312,000 1,575,000 236,000 465,000 682,000 5,000 3,625,000 160,250,000 1,239,000                          
          investments in unconsolidated real estate ventures and other investments
        -1,234,000 -20,906,000 -1,350,000 -2,050,000 -1,376,000 -1,137,000 -1,230,000 -1,256,000 -2,541,000 -4,660,000 -4,173,000 -3,282,000 -16,889,000 -4,913,000 -5,493,000 -73,955,000 -7,230,000                   
          net cash from investing activities
        23,991,000 -39,807,000 126,398,000 109,410,000 161,314,000 61,738,000 20,425,000 -61,610,000 123,602,000 25,061,000 12,260,000 -108,827,000 -26,673,000 -150,381,000 -110,902,000 818,255,000 -32,951,000 -271,990,000 -26,306,000 -40,930,000 -29,515,000 -109,994,000 -91,042,000 -10,571,000 43,917,000 -95,234,000 -76,730,000 -112,896,000 44,188,000 -22,554,000 37,585,000 144,641,000 -93,345,000 -95,860,000 144,813,000 
          financing activities
                                           
          borrowings under mortgage loans
        1,595,000 1,791,000 6,354,000 9,822,000 265,205,000 75,283,000 23,034,000 57,978,000 31,600,000 57,558,000 35,868,000 28,411,000 223,303,000                       
          borrowings under revolving credit facility
        60,000,000 70,000,000 135,000,000 434,000,000 197,000,000 95,000,000 50,000,000 143,000,000 30,000,000 124,750,000 125,000,000          300,000,000 200,000,000         
          repayments of mortgage loans
        -1,548,000 -1,372,000 -604,000 -97,857,000 -408,040,000 -112,292,000 -84,102,000 -774,000 -786,000 -1,719,000 -1,666,000 -144,609,000 -133,860,000                       
          repayments of revolving credit facility
        -35,000,000 -25,000,000 -201,000,000 -370,000,000 -120,000,000 -100,000,000 -103,000,000 -92,000,000 -154,750,000 -95,000,000   -100,000,000       -500,000,000 -200,000,000     -35,729,000     
          payments on derivative financial instruments
        -818,000 -4,965,000 -6,891,000 -1,104,000 -3,527,000 -1,476,000 -1,465,000                          
          debt issuance and modification costs
        -270,000 -5,207,000 -4,737,000 -310,000 -39,000 -10,000 -366,000 -10,007,000 -7,206,000 -2,000                      
          redemption of noncontrolling interests
        -777,000                                   
          proceeds from common shares issued pursuant to espp
        238,000 147,000 166,000 243,000 244,000 153,000 201,000 299,000 292,000 437,000   658,000   714,000                 
          common shares repurchased
        -25,401,000 -7,870,000 -62,936,000 -225,255,000 -147,593,000 -2,399,000 -52,013,000 -66,914,000 -49,444,000 -61,462,000 -118,006,000 -135,747,000 -20,098,000 -64,002,000 -205,892,000 -91,148,000 -75,386,000 -63,097,000 -19,203,000 -30,340,000 -33,242,000 -15,000 -41,177,000           
          dividends paid to common shareholders
        -10,417,000 -10,384,000 -10,829,000 -12,433,000 -14,788,000 -14,821,000 -15,015,000 -16,105,000 -16,066,000 -21,519,000 -23,028,000 -23,791,000 -25,664,000 -25,616,000 -25,749,000 -27,658,000 -28,665,000 -29,187,000 -29,696,000 -29,582,000 -29,650,000 -29,664,000 -30,020,000 -30,143,000 -30,184,000 -30,180,000 -30,181,000 -30,175,000 -39,298,000 -27,206,000 -27,089,000 -26,537,000 -26,540,000   
          distributions to redeemable noncontrolling interests
        -3,437,000 -3,604,000 -3,557,000 -2,898,000 -2,823,000 -2,850,000 -2,874,000 -2,909,000 -2,931,000 -3,699,000 -3,724,000 -3,927,000 -3,968,000 -4,011,000 -4,202,000 -4,191,000 -4,005,000 -4,099,000 -3,993,000 -3,927,000 -5,785,000 -3,697,000 -3,723,000 -3,782,000 -3,828,000 -3,826,000 -3,830,000 -3,839,000 -5,895,000 -4,078,000 -4,106,000 -4,657,000 -4,557,000   
          net cash from financing activities
        -15,835,000 22,686,000 -138,454,000 -157,600,000 -237,106,000 -90,893,000 -82,560,000 -16,524,000 -100,820,000 -61,878,000 -71,787,000 -57,020,000 31,860,000 -95,086,000 184,936,000 -700,401,000 -119,529,000 281,698,000 -14,066,000 -25,978,000 -51,776,000 -160,549,000 -189,614,000 383,982,000 85,670,000  -36,184,000 -38,662,000 -48,167,000 -9,655,000 37,820,000 -190,245,000 -31,465,000 12,468,000 -8,265,000 
          net increase in cash and cash equivalents, and restricted cash
        11,565,000   -29,373,000 -62,857,000   -54,364,000 59,825,000 31,662,000 -34,065,000 -119,048,000 47,819,000 -197,796,000 96,751,000                     
          cash and cash equivalents, and restricted cash, beginning of period
        103,290,000 183,192,000 200,441,000 274,073,000 302,095,000                   
          cash and cash equivalents, and restricted cash, end of period
        114,855,000 15,511,000 -3,183,000 -29,373,000 120,335,000 13,048,000 -35,758,000 -54,364,000 260,266,000 31,662,000 -34,065,000 -119,048,000 321,892,000 -197,796,000 96,751,000 155,905,000 219,213,000                   
          cash and cash equivalents
        79,780,000 10,833,000 3,005,000 -19,906,000 81,338,000 8,821,000 -26,553,000 -56,978,000 220,514,000 34,251,000         -6,873,000 -7,558,000 208,708,000 -229,511,000 -255,566,000 415,235,000 295,442,000           
          restricted cash
        35,075,000 4,678,000 -6,188,000 -9,467,000 38,997,000 4,227,000 -9,205,000 2,614,000 39,752,000 -2,589,000         -2,643,000 -2,296,000 39,839,000 134,000 17,246,000 1,779,000 18,577,000          -326,000 
          cash and cash equivalents, and restricted cash
        114,855,000 15,511,000 -3,183,000 -29,373,000 120,335,000 13,048,000 -35,758,000 -54,364,000 260,266,000 31,662,000                          
          supplemental disclosure of cash flow and non-cash information
                                           
          cash paid for interest
        32,523,000 33,084,000 32,202,000 30,342,000 32,653,000 32,147,000 31,448,000 27,124,000 25,623,000 23,339,000             15,097,000 14,720,000 10,927,000           
          accrued capital expenditures
        27,976,000                                   
          write-off of fully depreciated assets
        6,224,000 72,009,000 10,163,000 5,851,000 11,954,000 3,192,000 9,982,000 8,061,000 10,574,000 2,792,000             16,015,000 6,267,000 7,111,000           
          cash paid for income taxes
        7,000                                   
          redemption of op units for common shares
        7,825,000 11,208,000 9,296,000 1,135,000 9,719,000 3,302,000 3,553,000 2,341,000 7,875,000                           
          redeemable noncontrolling interests redemption value adjustment
        -14,920,000 -30,161,000 38,897,000                                 
          accrual for common shares repurchased pending settlement
            40,142,000                               
          cash paid for amounts included in the measurement of lease liabilities for operating leases
        1,356,000 1,590,000 1,698,000 1,665,000 1,664,000 1,659,000 1,649,000 4,715,000 1,616,000 1,611,000             588,000 2,619,000 1,396,000           
          amortization/accretion of market lease intangibles
                                           
          loss on the sale of real estate
         396,000    -2,313,000       -40,700,000    136,000                   
          income from investments
         -37,000    -80,000 -2,581,000 -677,000 -20,000 191,000 142,000 493,000 -1,798,000 245,000 549,000 -1,211,000 -14,071,000                   
          acquisition of real estate
         2,446,000       -19,101,000 -450,000 -50,070,000                      
          borrowings under term loans
                                         
          acquisition/redemption of noncontrolling interests
             -22,840,000                             
          proceeds from the sale of interest in consolidated real estate venture
                                         
          distributions to noncontrolling interests
             -16,000 -15,000 -10,000 -17,000   -16,000 -145,000   -24,000   -23,000   -76,000   99,000 -319,000 -120,000 -4,000  
          net decrease in cash and cash equivalents, and restricted cash
         15,511,000    13,048,000           -82,882,000                   
          accrued dividends to common shareholders
                                           
          accrued distributions to redeemable noncontrolling interests
                                           
          recognition (derecognition) of operating lease right-of-use asset
                                         
          recognition (derecognition) of liabilities related to operating lease right-of-use asset
                                         
          acquisition of noncontrolling interests
                                           
          accrued capital expenditures included in accounts payable and accrued expenses
          -1,241,000 -4,289,000 40,768,000 -7,572,000 -18,339,000 -12,837,000 77,358,000 -17,810,000             -19,275,000 -6,051,000 76,418,000           
          derecognition of operating lease right-of-use asset
                                           
          derecognition of liabilities related to operating lease right-of-use asset
                                           
          income from unconsolidated real estate ventures
               226,000 -975,000   -510,000 -433,000              1,144,000         
          operating activities:
                                           
          net income
               -33,414,000 -42,190,000 -37,664,000 -66,101,000 -12,254,000 24,310,000 -20,850,000 -21,581,000     -3,318,000 -24,069,000 -50,168,000 -25,005,000 -40,263,000 48,175,000 38,692,000 10,532,000 -3,328,000 28,248,000 994,000 26,382,000 24,023,000 -4,786,000 -18,752,000  
          adjustments to reconcile net income to net cash from operating activities:
                                           
          investing activities:
                                           
          proceeds from the sale of investments
                     1,234,000 17,796,000                   
          financing activities:
                                           
          contributions from noncontrolling interests
                     145,000 3,240,000 5,998,000 6,662,000 7,781,000 9,683,000     82,000 1,000 124,000    223,000  
          cash and cash equivalents, and restricted cash, end of period:
                                           
          supplemental disclosure of cash flow and non-cash information:
                                           
          derecognition of finance lease right-of-use assets
                                           
          derecognition of liabilities related to finance lease right-of-use assets
                                           
          redemption of partner's noncontrolling interest
                 -647,000                       
          recognition of operating lease right-of-use asset
                                           
          recognition of liabilities related to operating lease right-of-use asset
                                           
          finance lease payments
                             -250,000 -250,000 -389,000 -2,642,000 -34,000 -37,000 -33,000 -33,000       
          deconsolidation of real estate asset
                                           
          (derecognition) recognition of finance lease right-of-use assets
                                           
          (derecognition) recognition of liabilities related to finance lease right-of-use assets
                                           
          deposits for real estate and other acquisitions
                             -150,000              
          conversion of op units to common shares
                                           
          distributions of capital from unconsolidated real estate ventures
                     4,958,000 2,294,000 46,445,000 6,020,000 35,605,000   247,000   1,002,000 6,555,000 12,168,000 890,000 1,350,000   
          borrowings under unsecured term loans
                                       
          depreciation and amortization, including amortization of deferred financing costs
                      51,100,000 50,535,000 59,162,000 59,237,000 57,773,000                 
          borrowings under mortgages payable
                         105,000,000    384,946,000 20,159,000 175,000,000     74,318,000 2,479,000 22,797,000 18,547,000   
          repayments of mortgages payable
                      -101,495,000 -165,954,000 -1,178,000 -1,149,000 -1,120,000 -1,108,000 -2,234,000 -97,403,000 -2,243,000 -2,216,000 -2,221,000 -236,193,000 -2,136,000 -477,609,000 -3,065,000 -45,609,000 -97,264,000 -101,800,000 -68,221,000   
          loss on extinguishment of debt
                             29,000 33,000 3,916,000   79,000   12,000  
          debt issuance costs
                       -725,000 -531,000 -863,000 -1,160,000 -4,587,000 -5,082,000 -496,000 -9,278,000   -2,742,000    -601,000 -15,756,000 
          gain on sale of real estate
                           -59,477,000 -57,870,000 -8,088,000 -39,033,000 -6,394,000 -11,938,000 -33,396,000 -455,000   
          income from investment funds
                                           
          impairment of corporate assets
                                           
          proceeds from sale of real estate
                           154,493,000 219,701,000 40,134,000 117,676,000 66,928,000 113,267,000 230,728,000 2,154,000   
          investments in unconsolidated real estate ventures and other
                         -9,095,000                  
          proceeds from the issuance of common stock, net of issuance costs
                                 -747,000         
          net increase in cash and cash equivalents and restricted cash
                         72,918,000 -9,516,000 -9,854,000 -14,789,000 -229,377,000 -238,320,000 417,014,000 171,503,000 -101,204,000   13,929,000 19,323,000 118,521,000 13,280,000 -90,149,000   
          cash and cash equivalents and restricted cash, beginning of period
                                         
          cash and cash equivalents and restricted cash, end of period
                         72,918,000 -9,516,000                 
          cash and cash equivalents and restricted cash, end of period:
                                           
          cash and cash equivalents and restricted cash
                          -9,516,000 -9,854,000 248,547,000 -229,377,000 -238,320,000 417,014,000 314,019,000           
          losses on operating lease and other receivables
                           474,000 501,000 11,055,000 4,136,000             
          investments in unconsolidated real estate ventures
                           -20,974,000 -1,016,000 -2,362,000 -1,544,000 -7,170,000 -3,563,000 -11,343,000 -2,916,000         
          depreciation and amortization, including amortization of debt issuance costs
                            65,747,000 65,202,000 57,499,000 53,536,000 49,360,000 50,927,000 47,815,000 47,117,000 49,936,000 68,701,000 47,646,000 49,139,000 50,173,000 52,896,000 45,121,000 
          cash and cash equivalents and restricted cash as of the beginning of the period
                            263,336,000 142,516,000  399,532,000      
          cash and cash equivalents and restricted cash as of the end of the period
                            248,547,000 -229,377,000 -238,320,000 417,014,000 314,019,000  -53,058,000 -116,683,000 413,461,000  118,521,000     
          cash and cash equivalents and restricted cash as of end of the period:
                                           
          reduction of gain on bargain purchase
                                           
          acquisition of interests in unconsolidated real estate ventures, net of cash acquired
                                     -386,000   
          distributions of capital from sales of unconsolidated real estate ventures
                                           
          other
                                           
          acquisition of interest in consolidated real estate venture
                                          
          proceeds from common stock issued pursuant to espp
                             828,000             
          conversion of common limited partnership units to common shares
                              4,796,000 4,752,000 31,126,000           
          recognition (derecognition) of operating lease right-of-use assets
                              -13,151,000           
          recognition (derecognition) of liabilities related to operating lease right-of-use assets
                              -13,151,000           
          recognition of finance lease right-of-use assets
                              42,354,000           
          recognition of liabilities related to finance lease right-of-use assets
                              40,684,000           
          net unrealized loss on ineffective derivative financial instruments
                               17,000 -47,000           
          deposits for real estate acquisitions
                                 8,275,000 -600,000 -8,525,000       
          losses on operating lease receivables
                                2,718,000 279,000 784,000 -1,071,000 1,568,000       
          reduction of gain (gain) on bargain purchase
                                          
          deferred tax benefit
                                           
          cash and restricted cash received in connection with the combination
                                           
          repayment of notes receivable
                                          
          proceeds from repayment of receivable from former parent
                                          
          contributions from former parent
                                           
          repayment of borrowings from former parent
                                          
          proceeds from borrowings from former parent
                                          
          net cash from in financing activities
                                           
          jbg smith propertiesconsolidated and combined statements of cash flows
                                           
          cash and cash equivalents and restricted cash as of the beginning of the year
                                           
          cash and cash equivalents and restricted cash as of the end of the year
                                           
          cash and cash equivalents and restricted cash as of end of the year:
                                           
          transfer of mortgage payable to former parent
                                           
          cash received (payments) for income taxes
                                           
          deconsolidation of properties
                                           
          acquisition of consolidated real estate venture
                                           
          initial recognition of operating right-of-use assets
                                           
          initial recognition of lease liabilities related to operating right-of-use assets
                                           
          non-cash transactions related to the formation transaction:
                                           
          issuance of common limited partnership units at the separation
                                           
          issuance of common shares at the separation
                                           
          issuance of common shares in connection with the combination
                                           
          issuance of common limited partnership units in connection with the combination
                                           
          contribution from former parent in connection with the separation
                                           
          amortization of above- and below-market lease intangibles
                                  -214,000 -140,000 -132,000 -162,000 -201,000 239,000 -96,000 10,000  
          net unrealized loss on derivative financial instruments not designated as cash flow hedges
                                  2,000 48,000       
          acquisition of ownership interest in consolidated real estate venture
                                           
          net decrease in cash and cash equivalents and restricted cash
                                           
          investments in and advances to unconsolidated real estate ventures
                                    -2,851,000 -8,534,000 -6,496,000 -4,366,000 -11,801,000 -14,880,000  
          unrealized gain on interest rate swaps and caps
                                     338,000 287,000 -432,000 -1,119,000   
          bad debt expense
                                     707,000 1,026,000 1,211,000 354,000 1,999,000  
          other investments
                                     -646,000 -19,000 1,324,000 -2,135,000 
          contributions from (distributions to) former parent
                                           
          capital lease payments
                                     -32,000 -30,000 -26,000 -26,000 -51,000  
          proceeds from common stock issued pursuant to employee share purchase plan
                                           
          distribution of capital from sale of interest in an unconsolidated real estate venture
                                           
          borrowings under unsecured term loan
                                       50,000,000   
          acquisition of promote interest in unconsolidated real estate ventures
                                        -548,000   
          cash and cash equivalents and restricted cash as of beginning of the period
                                        338,557,000   
          cash and cash equivalents and restricted cash as of end of the period
                                        248,408,000   
          gain on bargain purchase
                                         3,395,000  
          realized loss on interest rate swaps and caps
                                           
          cash and cash equivalents and restricted cash at beginning of the year
                                           
          cash and cash equivalents and restricted cash at end of the year
                                           
          unrealized gain on interest rate swaps
                                           
          cash received in connection with the combination
                                           
          proceeds from borrowings
                                          187,769,000 
          repayments of borrowings
                                          -185,992,000 
          net increase in cash and cash equivalents
                                          87,283,000 
          cash and cash equivalents at beginning of the period
                                          
          cash and cash equivalents at end of the period
                                          87,283,000 
          net income attributable to jbg smith properties
                                           
          straight-line rent
                                           
          equity in loss of unconsolidated real estate ventures
                                           
          accretion of below-market lease intangibles
                                           
          operating distributions from unconsolidated real estate ventures
                                           
          other non-cash adjustments
                                           
          contributions from vornado realty trust
                                           
          proceeds from borrowings from vornado realty trust
                                           
          transfer of mortgage payable to vornado realty trust
                                           
          cash payments for income taxes