v3.25.4

Schedule III - REAL ESTATE AND ACCUMULATED DEPRECIATION (Details) - USD ($) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Schedule III |  |  |  |
Encumbrances | $ 2,546,589 |  |  |
Initial Cost to Company, Land and Improvements | 919,835 |  |  |
Initial Cost to Company, Buildings and Improvements | 1,802,111 |  |  |
Cost Capitalized Subsequent to Acquisition | 2,447,208 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 1,019,967 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 4,149,187 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 5,169,154 | $ 5,722,005 | $ 5,875,162 | $ 6,158,082
Accumulated Depreciation and Amortization | $ 1,408,641 | $ 1,420,748 | $ 1,338,403 | $ 1,335,000
Life of lease | 40 years |  |  |
Income tax basis difference | $ 878,800 |  |  |
F1RST Residences |  |  |  |
Schedule III |  |  |  |
Encumbrances | 77,512 |  |  |
Initial Cost to Company, Land and Improvements | 31,064 |  |  |
Initial Cost to Company, Buildings and Improvements | 133,256 |  |  |
Cost Capitalized Subsequent to Acquisition | 3,731 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 31,091 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 136,960 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 168,051 |  |  |
Accumulated Depreciation and Amortization | $ 30,952 |  |  |
Date of Construction | 2017 |  |  |
Date Acquired | 2019 |  |  |
1221 Van Street |  |  |  |
Schedule III |  |  |  |
Encumbrances | $ 86,994 |  |  |
Initial Cost to Company, Land and Improvements | 27,386 |  |  |
Initial Cost to Company, Buildings and Improvements | 63,775 |  |  |
Cost Capitalized Subsequent to Acquisition | 29,278 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 28,294 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 92,145 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 120,439 |  |  |
Accumulated Depreciation and Amortization | $ 31,135 |  |  |
Date of Construction | 2018 |  |  |
Date Acquired | 2017 |  |  |
RiverHouse Apartments |  |  |  |
Schedule III |  |  |  |
Encumbrances | $ 258,936 |  |  |
Initial Cost to Company, Land and Improvements | 118,421 |  |  |
Initial Cost to Company, Buildings and Improvements | 125,078 |  |  |
Cost Capitalized Subsequent to Acquisition | 88,207 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 139,452 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 192,254 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 331,706 |  |  |
Accumulated Depreciation and Amortization | $ 93,511 |  |  |
Date of Construction | 1960 |  |  |
Date Acquired | 2007 |  |  |
The Bartlett |  |  |  |
Schedule III |  |  |  |
Encumbrances | $ 216,807 |  |  |
Initial Cost to Company, Land and Improvements | 41,687 |  |  |
Cost Capitalized Subsequent to Acquisition | 229,764 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 42,677 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 228,774 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 271,451 |  |  |
Accumulated Depreciation and Amortization | $ 58,123 |  |  |
Date of Construction | 2016 |  |  |
Date Acquired | 2007 |  |  |
220 20th Street |  |  |  |
Schedule III |  |  |  |
Encumbrances | $ 80,002 |  |  |
Initial Cost to Company, Land and Improvements | 8,434 |  |  |
Initial Cost to Company, Buildings and Improvements | 19,340 |  |  |
Cost Capitalized Subsequent to Acquisition | 101,914 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 9,050 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 120,638 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 129,688 |  |  |
Accumulated Depreciation and Amortization | $ 52,997 |  |  |
Date of Construction | 2009 |  |  |
Date Acquired | 2017 |  |  |
West Half |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 45,668 |  |  |
Initial Cost to Company, Buildings and Improvements | 17,902 |  |  |
Cost Capitalized Subsequent to Acquisition | 168,321 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 49,073 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 182,818 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 231,891 |  |  |
Accumulated Depreciation and Amortization | $ 61,010 |  |  |
Date of Construction | 2019 |  |  |
Date Acquired | 2017 |  |  |
The Wren |  |  |  |
Schedule III |  |  |  |
Encumbrances | $ 110,045 |  |  |
Initial Cost to Company, Land and Improvements | 14,306 |  |  |
Cost Capitalized Subsequent to Acquisition | 141,430 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 17,780 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 137,956 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 155,736 |  |  |
Accumulated Depreciation and Amortization | $ 35,041 |  |  |
Date of Construction | 2020 |  |  |
Date Acquired | 2017 |  |  |
900 W Street |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 21,685 |  |  |
Initial Cost to Company, Buildings and Improvements | 5,162 |  |  |
Cost Capitalized Subsequent to Acquisition | 38,676 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 22,182 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 43,341 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 65,523 |  |  |
Accumulated Depreciation and Amortization | $ 12,639 |  |  |
Date of Construction | 2020 |  |  |
Date Acquired | 2017 |  |  |
901 W Street |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 25,992 |  |  |
Initial Cost to Company, Buildings and Improvements | 8,790 |  |  |
Cost Capitalized Subsequent to Acquisition | 65,771 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 27,013 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 73,540 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 100,553 |  |  |
Accumulated Depreciation and Amortization | $ 20,094 |  |  |
Date of Construction | 2020 |  |  |
Date Acquired | 2017 |  |  |
2221 S Clark Street Residential |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 6,185 |  |  |
Initial Cost to Company, Buildings and Improvements | 16,981 |  |  |
Cost Capitalized Subsequent to Acquisition | 37,049 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 6,547 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 53,668 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 60,215 |  |  |
Accumulated Depreciation and Amortization | $ 20,696 |  |  |
Date of Construction | 1964 |  |  |
Date Acquired | 2002 |  |  |
Atlantic Plumbing |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 50,287 |  |  |
Initial Cost to Company, Buildings and Improvements | 105,483 |  |  |
Cost Capitalized Subsequent to Acquisition | 1,118 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 50,345 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 106,543 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 156,888 |  |  |
Accumulated Depreciation and Amortization | $ 15,998 |  |  |
Date of Construction | 2016 |  |  |
Date Acquired | 2022 |  |  |
The Grace |  |  |  |
Schedule III |  |  |  |
Encumbrances | $ 136,536 |  |  |
Initial Cost to Company, Land and Improvements | 7,989 |  |  |
Initial Cost to Company, Buildings and Improvements | 25,276 |  |  |
Cost Capitalized Subsequent to Acquisition | 186,128 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 11,936 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 207,457 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 219,393 |  |  |
Accumulated Depreciation and Amortization | $ 17,825 |  |  |
Date of Construction | 2023 |  |  |
Date Acquired | 2002 |  |  |
Reva |  |  |  |
Schedule III |  |  |  |
Encumbrances | $ 137,084 |  |  |
Initial Cost to Company, Land and Improvements | 8,822 |  |  |
Initial Cost to Company, Buildings and Improvements | 27,911 |  |  |
Cost Capitalized Subsequent to Acquisition | 179,901 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 13,215 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 203,419 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 216,634 |  |  |
Accumulated Depreciation and Amortization | $ 16,722 |  |  |
Date of Construction | 2024 |  |  |
Date Acquired | 2002 |  |  |
The Zoe |  |  |  |
Schedule III |  |  |  |
Encumbrances | $ 95,029 |  |  |
Initial Cost to Company, Land and Improvements | 3,449 |  |  |
Initial Cost to Company, Buildings and Improvements | 4,160 |  |  |
Cost Capitalized Subsequent to Acquisition | 152,842 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 5,361 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 155,090 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 160,451 |  |  |
Accumulated Depreciation and Amortization | $ 7,728 |  |  |
Date of Construction | 2024 |  |  |
Date Acquired | 2002 |  |  |
Valen |  |  |  |
Schedule III |  |  |  |
Encumbrances | $ 99,063 |  |  |
Initial Cost to Company, Land and Improvements | 3,851 |  |  |
Initial Cost to Company, Buildings and Improvements | 4,645 |  |  |
Cost Capitalized Subsequent to Acquisition | 174,575 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 7,060 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 176,011 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 183,071 |  |  |
Accumulated Depreciation and Amortization | $ 3,158 |  |  |
Date of Construction | 2025 |  |  |
Date Acquired | 2002 |  |  |
2121 Crystal Drive |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 21,503 |  |  |
Initial Cost to Company, Buildings and Improvements | 87,329 |  |  |
Cost Capitalized Subsequent to Acquisition | 69,537 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 24,005 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 154,364 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 178,369 |  |  |
Accumulated Depreciation and Amortization | $ 74,096 |  |  |
Date of Construction | 1985 |  |  |
Date Acquired | 2002 |  |  |
2345 Crystal Drive |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 23,126 |  |  |
Initial Cost to Company, Buildings and Improvements | 93,918 |  |  |
Cost Capitalized Subsequent to Acquisition | 56,489 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 24,298 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 149,235 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 173,533 |  |  |
Accumulated Depreciation and Amortization | $ 86,994 |  |  |
Date of Construction | 1988 |  |  |
Date Acquired | 2002 |  |  |
2231 Crystal Drive |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 20,611 |  |  |
Initial Cost to Company, Buildings and Improvements | 83,705 |  |  |
Cost Capitalized Subsequent to Acquisition | 28,506 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 21,909 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 110,913 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 132,822 |  |  |
Accumulated Depreciation and Amortization | $ 66,599 |  |  |
Date of Construction | 1987 |  |  |
Date Acquired | 2002 |  |  |
1550 Crystal Drive |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 22,182 |  |  |
Initial Cost to Company, Buildings and Improvements | 70,525 |  |  |
Cost Capitalized Subsequent to Acquisition | 189,647 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 42,947 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 239,407 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 282,354 |  |  |
Accumulated Depreciation and Amortization | $ 86,372 |  |  |
Date of Construction | 1980, 2020 |  |  |
Date Acquired | 2002 |  |  |
2011 Crystal Drive |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 18,940 |  |  |
Initial Cost to Company, Buildings and Improvements | 76,921 |  |  |
Cost Capitalized Subsequent to Acquisition | 91,773 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 20,017 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 167,617 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 187,634 |  |  |
Accumulated Depreciation and Amortization | $ 67,529 |  |  |
Date of Construction | 1984 |  |  |
Date Acquired | 2002 |  |  |
2451 Crystal Drive |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 11,669 |  |  |
Initial Cost to Company, Buildings and Improvements | 68,047 |  |  |
Cost Capitalized Subsequent to Acquisition | 51,562 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 12,600 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 118,678 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 131,278 |  |  |
Accumulated Depreciation and Amortization | $ 67,171 |  |  |
Date of Construction | 1990 |  |  |
Date Acquired | 2002 |  |  |
1235 S. Clark Street |  |  |  |
Schedule III |  |  |  |
Encumbrances | $ 73,679 |  |  |
Initial Cost to Company, Land and Improvements | 15,826 |  |  |
Initial Cost to Company, Buildings and Improvements | 56,090 |  |  |
Cost Capitalized Subsequent to Acquisition | 28,323 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 16,762 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 83,477 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 100,239 |  |  |
Accumulated Depreciation and Amortization | $ 50,886 |  |  |
Date of Construction | 1981 |  |  |
Date Acquired | 2002 |  |  |
241 18th Street S. |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 13,867 |  |  |
Initial Cost to Company, Buildings and Improvements | 54,169 |  |  |
Cost Capitalized Subsequent to Acquisition | 62,065 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 24,084 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 106,017 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 130,101 |  |  |
Accumulated Depreciation and Amortization | $ 64,423 |  |  |
Date of Construction | 1977 |  |  |
Date Acquired | 2002 |  |  |
251 18th Street S. |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 12,305 |  |  |
Initial Cost to Company, Buildings and Improvements | 49,360 |  |  |
Cost Capitalized Subsequent to Acquisition | 63,453 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 15,596 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 109,522 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 125,118 |  |  |
Accumulated Depreciation and Amortization | $ 60,974 |  |  |
Date of Construction | 1975 |  |  |
Date Acquired | 2002 |  |  |
1215 S. Clark Street |  |  |  |
Schedule III |  |  |  |
Encumbrances | $ 105,000 |  |  |
Initial Cost to Company, Land and Improvements | 13,636 |  |  |
Initial Cost to Company, Buildings and Improvements | 48,380 |  |  |
Cost Capitalized Subsequent to Acquisition | 54,935 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 14,427 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 102,524 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 116,951 |  |  |
Accumulated Depreciation and Amortization | $ 63,280 |  |  |
Date of Construction | 1983 |  |  |
Date Acquired | 2002 |  |  |
201 12th Street S. |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 8,432 |  |  |
Initial Cost to Company, Buildings and Improvements | 52,750 |  |  |
Cost Capitalized Subsequent to Acquisition | 24,589 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 9,145 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 76,626 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 85,771 |  |  |
Accumulated Depreciation and Amortization | $ 45,748 |  |  |
Date of Construction | 1987 |  |  |
Date Acquired | 2002 |  |  |
800 North Glebe Road |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 28,168 |  |  |
Initial Cost to Company, Buildings and Improvements | 140,983 |  |  |
Cost Capitalized Subsequent to Acquisition | 6,981 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 28,168 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 147,964 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 176,132 |  |  |
Accumulated Depreciation and Amortization | $ 42,290 |  |  |
Date of Construction | 2012 |  |  |
Date Acquired | 2017 |  |  |
1225 S. Clark Street |  |  |  |
Schedule III |  |  |  |
Encumbrances | $ 85,000 |  |  |
Initial Cost to Company, Land and Improvements | 11,176 |  |  |
Initial Cost to Company, Buildings and Improvements | 43,495 |  |  |
Cost Capitalized Subsequent to Acquisition | 38,286 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 11,831 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 81,126 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 92,957 |  |  |
Accumulated Depreciation and Amortization | $ 44,850 |  |  |
Date of Construction | 1982 |  |  |
Date Acquired | 2002 |  |  |
1901 South Bell Street |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Buildings and Improvements | $ 36,918 |  |  |
Cost Capitalized Subsequent to Acquisition | (30,707) |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 85 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 6,126 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 6,211 |  |  |
Accumulated Depreciation and Amortization | $ 1,757 |  |  |
Date of Construction | 1968 |  |  |
Date Acquired | 2002 |  |  |
200 12th Street S. |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 8,016 |  |  |
Initial Cost to Company, Buildings and Improvements | 30,552 |  |  |
Cost Capitalized Subsequent to Acquisition | 15,116 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 8,488 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 45,196 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 53,684 |  |  |
Accumulated Depreciation and Amortization | $ 29,551 |  |  |
Date of Construction | 1985 |  |  |
Date Acquired | 2002 |  |  |
Crystal Drive Retail |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 9,300 |  |  |
Initial Cost to Company, Buildings and Improvements | 29,774 |  |  |
Cost Capitalized Subsequent to Acquisition | (10,890) |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 6,439 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 21,745 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 28,184 |  |  |
Accumulated Depreciation and Amortization | $ 14,580 |  |  |
Date of Construction | 2003 |  |  |
Date Acquired | 2004 |  |  |
One Democracy Plaza |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Buildings and Improvements | $ 33,628 |  |  |
Cost Capitalized Subsequent to Acquisition | (28,087) |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 71 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 5,470 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 5,541 |  |  |
Accumulated Depreciation and Amortization | $ 2,952 |  |  |
Date of Construction | 1987 |  |  |
Date Acquired | 2002 |  |  |
1770 Crystal Drive |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 10,771 |  |  |
Initial Cost to Company, Buildings and Improvements | 44,276 |  |  |
Cost Capitalized Subsequent to Acquisition | 73,028 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 14,470 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 113,605 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 128,075 |  |  |
Accumulated Depreciation and Amortization | $ 24,174 |  |  |
Date of Construction | 1980, 2020 |  |  |
Date Acquired | 2002 |  |  |
1101 17th Street |  |  |  |
Schedule III |  |  |  |
Encumbrances | $ 59,902 |  |  |
Initial Cost to Company, Land and Improvements | 23,958 |  |  |
Initial Cost to Company, Buildings and Improvements | 5,030 |  |  |
Cost Capitalized Subsequent to Acquisition | 175 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 23,958 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 5,205 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 29,163 |  |  |
Accumulated Depreciation and Amortization | $ 305 |  |  |
Date of Construction | 1964 |  |  |
Date Acquired | 2025 |  |  |
Tysons Dulles plaza |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 8,376 |  |  |
Initial Cost to Company, Buildings and Improvements | 17,621 |  |  |
Cost Capitalized Subsequent to Acquisition | 199 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 8,382 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 17,814 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 26,196 |  |  |
Accumulated Depreciation and Amortization | $ 1,463 |  |  |
Date of Construction | 1988 |  |  |
Date Acquired | 2025 |  |  |
1700 M Street |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 34,178 |  |  |
Initial Cost to Company, Buildings and Improvements | 46,938 |  |  |
Cost Capitalized Subsequent to Acquisition | (26,130) |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 54,986 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | $ 54,986 |  |  |
Date of Construction | 2024 |  |  |
Date Acquired | 2002, 2006 |  |  |
1831/1861 Wiehle Avenue |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 39,529 |  |  |
Cost Capitalized Subsequent to Acquisition | 3,677 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 43,206 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | $ 43,206 |  |  |
Date of Construction | 1984 |  |  |
Date Acquired | 2017 |  |  |
Development Pipeline |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 102,475 |  |  |
Initial Cost to Company, Buildings and Improvements | 30,051 |  |  |
Cost Capitalized Subsequent to Acquisition | 8,289 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 96,044 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 44,771 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 140,815 |  |  |
Accumulated Depreciation and Amortization | $ 1,008 |  |  |
Date Acquired | various |  |  |
Other Land Assets |  |  |  |
Schedule III |  |  |  |
Initial Cost to Company, Land and Improvements | $ 46,565 |  |  |
Initial Cost to Company, Buildings and Improvements | 43,892 |  |  |
Cost Capitalized Subsequent to Acquisition | 62,382 |  |  |
Gross Amounts at Which Carried at Close of Period, Land and Improvements | 36,973 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 115,866 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 152,839 |  |  |
Accumulated Depreciation and Amortization | $ 27,934 |  |  |
Date Acquired | various |  |  |
Corporate |  |  |  |
Schedule III |  |  |  |
Encumbrances | $ 925,000 |  |  |
Cost Capitalized Subsequent to Acquisition | 15,305 |  |  |
Gross Amounts at Which Carried at Close of Period, Buildings and Improvements | 15,305 |  |  |
Gross Amounts at Which Carried at Close of Period, Total | 15,305 |  |  |
Accumulated Depreciation and Amortization | $ 6,076 |  |  |
Date Acquired | 2017 |  |  |

X
- Definition SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Federal Income Tax Basis Difference + References No definition available. + Details
Name: | jbgs_SECSchedule1228RealEstateCompaniesInvestmentinRealEstateFederalIncomeTaxBasisDifference
Namespace Prefix: | jbgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Year real estate investment property was acquired for entities with a substantial portion of business acquiring and holding investment real estate. + References No definition available. + Details
Name: | jbgs_SecSchedule1228RealEstateCompaniesInvestmentInRealEstateAndAccumulatedDepreciationYearAcquired
Namespace Prefix: | jbgs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Year real estate investment property was constructed for entities with a substantial portion of business acquiring and holding investment real estate. + References No definition available. + Details
Name: | jbgs_SecSchedule1228RealEstateCompaniesInvestmentInRealEstateAndAccumulatedDepreciationYearOfConstruction
Namespace Prefix: | jbgs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of lien or mortgage outstanding on real estate investment properties for entities with a substantial portion of business acquiring and holding investment real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 28 -Paragraph Column B -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column B)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478979/970-360-S99-1 + Details
Name: | srt_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
Namespace Prefix: | srt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 28 -Paragraph Column A -Footnote 2 -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 28 -Paragraph Column I -Publisher SEC Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 28 -Paragraph Column H -Publisher SEC Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 28 -Paragraph Column G -Publisher SEC Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 28 -Paragraph Column F -Publisher SEC Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 28 -Paragraph Column E -Publisher SEC Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 28 -Paragraph Column D -Publisher SEC Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 28 -Paragraph Column C -Publisher SEC Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 28 -Paragraph Column B -Publisher SEC Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column F)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478979/970-360-S99-1 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column E)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478979/970-360-S99-1 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column D)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478979/970-360-S99-1 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column C)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478979/970-360-S99-1 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column I)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478979/970-360-S99-1 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column A)(Footnote 2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478979/970-360-S99-1 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column B)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478979/970-360-S99-1 Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column G)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478979/970-360-S99-1 Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column H)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478979/970-360-S99-1 + Details
Name: | srt_RealEstateAndAccumulatedDepreciationLineItems
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of accumulated depreciation pertaining to real estate investments for entities with a substantial portion of business acquiring and holding investment real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column F)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478979/970-360-S99-1 + Details
Name: | us-gaap_RealEstateAccumulatedDepreciation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before accumulated depreciation of buildings and improvements for entities with a substantial portion of business acquiring and holding investment real estate. Excludes real estate not held as an investment or interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column E)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478979/970-360-S99-1 + Details
Name: | us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of land for entities with a substantial portion of business acquiring and holding investment real estate. Excludes real estate not held as an investment or interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column E)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478979/970-360-S99-1 + Details
Name: | us-gaap_RealEstateAndAccumulatedDepreciationCarryingAmountOfLand
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of cost capitalized subsequent to acquisition for real estate investment property, including, but not limited to, real estate tax and insurance, by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. Excludes initial purchase price and improvement, and real estate not held as investment or interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column D)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478979/970-360-S99-1 + Details
Name: | us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Initial cost of buildings and improvements for entities with a substantial portion of business acquiring and holding investment real estate. Excludes real estate not held as an investment or interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column C)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478979/970-360-S99-1 + Details
Name: | us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Initial cost of land for entities with a substantial portion of business acquiring and holding investment real estate. Excludes real estate not held as an investment or interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column C)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478979/970-360-S99-1 + Details
Name: | us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Useful life on which depreciation was computed for entities with a substantial portion of business acquiring and holding investment real estate, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column I)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478979/970-360-S99-1 + Details
Name: | us-gaap_RealEstateAndAccumulatedDepreciationLifeUsedForDepreciation1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount, before accumulated depreciation, of real estate investment by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. Excludes real estate not held as investment or interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column E)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478979/970-360-S99-1 + Details
Name: | us-gaap_RealEstateGrossAtCarryingValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_F1RSTResidencesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A1221VanStreetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_RiverHouseApartmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_BartlettMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A22020thStreetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_WestHalfMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_WrenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A900WStreetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A901WStreetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_Aa2221SClarkStreetResidentialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_AtlanticPlumbingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_GraceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_RevaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_ZoeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_ValenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A2121CrystalDriveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A2345CrystalDriveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A2231CrystalDriveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A1550CrystalDriveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A2011CrystalDriveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A2451CrystalDriveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A1235S.ClarkStreetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A24118thStreetS.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A25118thStreetS.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A1215S.ClarkStreetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A20112thStreetS.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A800NorthGlebeRoadMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A1225S.ClarkStreetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A1901SouthBellStreetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A20012thStreetS.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_CrystalDriveRetailMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_OneDemocracyPlazaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A1770CrystalDriveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A110117thStreetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_TysonsDullesPlazaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A1700MStreetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_A18311861WiehleAvenueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_DevelopmentPipelineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=jbgs_OtherLandAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=us-gaap_CorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |