Derivative Instruments and Hedging Activities (Details)	1 Months Ended	3 Months Ended
	Sep. 30, 2022 USD ($) extension	Mar. 31, 2023 USD ($) instrument	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Derivative [Line Items]
Balance drawn		$ 0		$ 0
Total return swap income		$ 1,033,000	$ 2,544,000
Unsecured debt
Derivative [Line Items]
Debt instrument face amount	$ 300,000,000
Number of extension options (in extensions) | extension	3
Extension period	12 months
Delayed draw feature period		6 months
Multifamily Housing Mortgage Revenue Bonds
Derivative [Line Items]
Bond subject to interest rate caps		$ 223,400,000
Interest Rate Swap | Unsecured debt
Derivative [Line Items]
Interest rate	4.20%
Total Return Swap, Callable
Derivative [Line Items]
Total return swap income		1,000,000	$ 2,500,000
Designated as Hedging Instrument | Interest Rate Swap
Derivative [Line Items]
Derivative asset		3,000,000		5,600,000
Not Designated as Hedging Instrument | Total Return Swap, Callable
Derivative [Line Items]
Derivative, notional amount		223,400,000
Derivative, fair value, net		$ 0		$ 0
Not Designated as Hedging Instrument | Total Return Swap, Callable | Multifamily Housing Mortgage Revenue Bonds
Derivative [Line Items]
Number of derivative instruments | instrument		4