Secured Notes Payable and Revolving Credit Facility, Net - Debt Statistics (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Principal balance	$ 4,702,892	$ 4,653,264
Principal balance of consolidated fixed rate debt	$ 4,700,000
Weighted average remaining life (including extension options) of consolidated fixed rate debt (in years)	5 years 10 months 24 days
Weighted average remaining fixed interest period of consolidated fixed rate debt (in years)	3 years 7 months 6 days
Weighted average annual interest rate of consolidated fixed rate debt (as a percent)	3.02%
Aggregate swapped to fixed rate loans
Debt Instrument [Line Items]
Principal balance	$ 4,672,400	4,622,400
Aggregate fixed rate loans
Debt Instrument [Line Items]
Principal balance	$ 30,492	$ 30,864