Mortgage Notes Payable - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Debt Disclosure [Abstract]
Interest expense capitalized	$ 1,361	$ 2,143	$ 2,656	$ 4,853
Fair value of mortgage notes payable	$ 4,421,744		$ 4,421,744		$ 4,427,790