Governmental Issuer Loans - Summary of Partnership's GIL Investments (Parenthetical) (Details) - Governmental Issuer Loans [Member] - USD ($) $ in Millions	Mar. 31, 2025	Feb. 01, 2025	Dec. 31, 2024	Dec. 31, 2023
Floor Rate [Member] | Minimum [Member]
Governmental Issuer Loans [Line Items]
Variable rate	0.00%			0.25%
Floor Rate [Member] | Maximum [Member]
Governmental Issuer Loans [Line Items]
Variable rate	0.50%			0.50%
Poppy Grove I [Member] | Maximum [Member]
Governmental Issuer Loans [Line Items]
Partnership subordinate loan amount	$ 3.8		$ 3.8
Poppy Grove II [Member] | Maximum [Member]
Governmental Issuer Loans [Line Items]
Partnership subordinate loan amount	2.2		2.2
Poppy Grove III [Member] | Maximum [Member]
Governmental Issuer Loans [Line Items]
Partnership subordinate loan amount	$ 4.2		$ 4.2
SOFR [Member] | Sandy Creek Apartments [Member]
Governmental Issuer Loans [Line Items]
Variable rate		2.80%