Transactions with Related Parties - Summary of Transactions Between Borrowers of Partnership's MRBs and Affiliates (Details) - General Partner [Member] - USD ($)		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021
Non-partnership property administrative fee received	[1]	$ 26,000	$ 35,000
Investment/mortgage placement fees earned	[2]	$ 5,487,000	$ 7,311,000

[1] AFCA 2 received administrative fees directly from the owners of certain properties financed by certain MRBs held by the Partnership. These administrative fees equal 0.45% per annum of the outstanding principal balance of the MRBs. The disclosed amounts represent administrative fees received by AFCA 2 during the periods specified.

[2] AFCA 2 received placement fees in connection with the acquisition of certain MRBs, taxable MRBs, GILs, taxable GILs and property loans and investments in unconsolidated entities.