Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Revenues	$ 189,550	$ 193,898
Rental property revenues
Disaggregation of Revenue [Line Items]
Revenues	184,807	189,129
Variable rental revenue	47,800	54,100
Fees and other
Disaggregation of Revenue [Line Items]
Revenues	$ 4,700	$ 4,800