Mortgage Notes Payable - Narrative (Details) $ in Thousands	3 Months Ended			12 Months Ended
	Dec. 31, 2020 USD ($) property	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($) property	Dec. 31, 2019 USD ($)	Jul. 31, 2020 property
Mortgage loans payable on real estate
Payments in deferral		$ 28,683	$ 28,683
Repayments of deferrals	$ 15,208				$ 20,195
Interest expense capitalized				$ 9,504	5,247	$ 9,614
Fair value of mortgage notes payable	$ 4,459,797			$ 4,261,429	$ 4,459,797
Joint venture
Mortgage loans payable on real estate
Number of properties | property	9				9		9