Fair Value - Narrative (Details)	3 Months Ended
	Mar. 31, 2023 USD ($) derivative shares	Mar. 31, 2022 USD ($) shares
Derivative instruments and Hedging Activities
Cash flow hedge losses reclassified to earnings	$ 354,000	$ 1,013,000
Weighted average DownREIT units outstanding (in shares) | shares	7,500	7,500
Cash Flow Hedges | Interest Rate Swap [Member]
Derivative instruments and Hedging Activities
Forward interest rate swap agreements entered in period	$ 200,000,000
Reclassification out of Accumulated Other Comprehensive Income
Derivative instruments and Hedging Activities
Estimated hedging losses to be reclassified from accumulated other comprehensive loss into earnings within the next twelve months	$ 1,415,000
Not Designated as Hedging Instrument
Derivative instruments and Hedging Activities
Number of derivative instruments held | derivative	5