Property Loans, Net of Loan Loss Allowances - Summary of Partnership's Property Loans, Net of Loan Loss Allowances (Parenthetical) (Details)	Mar. 31, 2022	Dec. 31, 2021
LIBOR [Member]
Accounts Notes And Loans Receivable [Line Items]
Floor interest rate	0.50%	0.50%
Willow Place Apartments [Member] | Senior Construction Financing [Member] | SOFR [Member]
Accounts Notes And Loans Receivable [Line Items]
Floor interest rate	0.25%	0.25%
Magnolia Crossing [Member] | Senior Acquisition Financing [Member] | SOFR [Member]
Accounts Notes And Loans Receivable [Line Items]
Floor interest rate	0.25%	0.25%