Governmental Issuer Loans - Additional Information (Details)	1 Months Ended
	Nov. 30, 2023 USD ($)	Aug. 31, 2023 USD ($)	Jul. 31, 2023 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($) Entities Property	Jan. 01, 2023 USD ($)	Dec. 31, 2022 USD ($) Property
Governmental Issuer Loans [Line Items]
Allowance for credit losses						$ 5,900,000
Number of Variable Interest Entities | Property					33		35
Scharbauer Flats Apartments [Member]
Governmental Issuer Loans [Line Items]
Partnership recognized loan fee				$ 33,000
Governmental Issuer Loans [Member]
Governmental Issuer Loans [Line Items]
Accrued interest receivable					$ 1,500,000		$ 3,800,000
Outstanding principal					133,200,000
Allowance for credit losses					$ 1,300,000
Number of Variable Interest Entities | Entities					2
Governmental Issuer Loans [Member] | Hope on Avalon [Member]
Governmental Issuer Loans [Line Items]
Extension Fees Received			$ 70,000
Loan maturity date			Feb. 01, 2024
Governmental Issuer Loans [Member] | Willow Place Apartments [Member]
Governmental Issuer Loans [Line Items]
GIL commitment additional funding	$ 1,500,000
Governmental Issuer Loans [Member] | Scharbauer Flats Apartments [Member]
Governmental Issuer Loans [Line Items]
Partnership recognized loan fee				$ 100,000
Loan maturity date				Jan. 01, 2024
Governmental Issuer Loans [Member] | Magnolia Heights [Member]
Governmental Issuer Loans [Line Items]
Loans commitment							20,400,000
Governmental Issuer Loans [Member] | Poppy Grove I [Member]
Governmental Issuer Loans [Line Items]
Loans commitment							35,700,000
Governmental Issuer Loans [Member] | Poppy Grove I I [Member]
Governmental Issuer Loans [Line Items]
Loans commitment							22,300,000
Governmental Issuer Loans [Member] | Poppy Grove I I I [Member]
Governmental Issuer Loans [Line Items]
Loans commitment							$ 39,100,000
Governmental Issuer Loans [Member] | Sandy Creek Apartments [Member]
Governmental Issuer Loans [Line Items]
Total commitment fully funded		$ 12,100,000
Property Loans [Member]
Governmental Issuer Loans [Line Items]
Outstanding principal					$ 73,500,000