Governmental Issuer Loans - Additional Information (Details)	1 Months Ended					6 Months Ended
	Apr. 30, 2025 USD ($)	Feb. 28, 2025 USD ($)	Jan. 31, 2025 USD ($)	Jun. 30, 2024 USD ($)	Feb. 29, 2024 USD ($)	Jun. 30, 2025 USD ($) Entities Property	Dec. 31, 2024 USD ($) Property
Governmental Issuer Loans [Line Items]
Number of Variable Interest Entities | Property						23	31
Governmental Issuer Loans [Member]
Governmental Issuer Loans [Line Items]
Accrued interest receivable						$ 692,000	$ 1,400,000
Number of Variable Interest Entities | Entities						2
Outstanding principal						$ 12,100,000
Property Loans [Member]
Governmental Issuer Loans [Line Items]
Outstanding principal						1,000,000
Poppy Grove GILs [Member]
Governmental Issuer Loans [Line Items]
Outstanding principal						109,800,000
Poppy Grove taxable GILs [Member]
Governmental Issuer Loans [Line Items]
Outstanding principal						37,600,000
Poppy Grove I [Member] | Governmental Issuer Loans [Member]
Governmental Issuer Loans [Line Items]
Borrower		$ 5,200,000
Poppy Grove II [Member] | Governmental Issuer Loans [Member]
Governmental Issuer Loans [Line Items]
Borrower		1,800,000
Poppy Grove III [Member] | Governmental Issuer Loans [Member]
Governmental Issuer Loans [Line Items]
Borrower		5,700,000
Gateway and Yarbrough Predevelopment Project Taxable MRB [Member]
Governmental Issuer Loans [Line Items]
Outstanding principal						$ 800,000
Legacy Commons, Magnolia, Ospery Village, Willow Palace Apartments And Supplemental [Member] | Governmental Issuer Loans [Member]
Governmental Issuer Loans [Line Items]
Partnership recognized loan fee			$ 87,000	$ 51,000	$ 87,000
Legacy Commons at Signal Hills [Member] | Governmental Issuer Loans [Member]
Governmental Issuer Loans [Line Items]
Maturity date, month and year						2025-08
Poppy Grove I, Poppy Grove II, And Poppy Grove III [Member] | Governmental Issuer Loans [Member]
Governmental Issuer Loans [Line Items]
Partnership recognized loan fee		$ 307,000
Maturity date, month and year		2025-10
Construction Lending JV [Member]
Governmental Issuer Loans [Line Items]
Proceeds from sale of asset at par plus accrued interest						$ 7,500,000
Construction Lending JV [Member] | Governmental Issuer Loans [Member]
Governmental Issuer Loans [Line Items]
Proceeds from sale of asset at par plus accrued interest	$ 6,500,000