Property Loans, Net of Loan Loss Allowances - Summary of Partnership's Property Loans, Net of Loan Loss Allowances (Parenthetical) (Details)	Dec. 31, 2021	Dec. 31, 2020
LIBOR [Member]
Accounts Notes And Loans Receivable [Line Items]
Floor interest rate	0.50%	0.50%
SOFR [Member]
Accounts Notes And Loans Receivable [Line Items]
Floor interest rate	0.50%
SOFR [Member] | Magnolia Crossing [Member]
Accounts Notes And Loans Receivable [Line Items]
Floor interest rate	0.25%
SOFR [Member] | Willow Place Apartments [Member]
Accounts Notes And Loans Receivable [Line Items]
Floor interest rate	0.25%