Notes Payable - Secured Mortgage Notes (Details) $ in Thousands	1 Months Ended
	Feb. 29, 2020 USD ($)	Dec. 31, 2021 USD ($) debt_instrument	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Outstanding amount		$ 2,237,509	$ 2,162,719
Mortgage Debt
Debt Instrument [Line Items]
Outstanding amount		$ 661,500
Number of non-recourse mortgage loans | debt_instrument		7
Assets pledged as security		$ 1,100,000
Mortgage Debt | Meridian Mark Plaza
Debt Instrument [Line Items]
Amount of debt paid	$ 23,000