Transactions with Related Parties (Details) - Affiliated Entity - USD ($)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Washington Housing Initiative
Transactions with Related Parties
Completed capital commitments	$ 114,400,000
Commitment	11,200,000
Remaining unfunded commitment	4,800,000
Supervisory Services of Properties \| BMS
Transactions with Related Parties
Related party payments	10,700,000	$ 18,600,000	$ 16,900,000
Fees from Legacy JBG Funds and Washington Housing Initiative \| Legacy JBG Funds and Washington Housing Initiative
Transactions with Related Parties
Revenue from related parties	20,000,000.0	22,600,000	22,400,000
Receivables	4,500,000	3,200,000
Office Rent \| Unconsolidated Real Estate Ventures
Transactions with Related Parties
Related party payments	$ 922,000	$ 1,300,000	$ 4,600,000

Amount of remaining commitment or contingent commitments to qualified affordable housing project investments.

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Qualified Affordable Housing Project Investments, Total Capital Commitments

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For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

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Amount of transactions with related party during the financial reporting period.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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