Segment Information - Assets for Reportable Segment (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Segment Reporting Asset Reconciling Item [Line Items]
Total assets	$ 11,199,075	$ 11,285,182
Same Store [Member]
Segment Reporting Asset Reconciling Item [Line Items]
Total assets	9,842,471	9,907,740
Non-Same Store and Other [Member]
Segment Reporting Asset Reconciling Item [Line Items]
Total assets	1,138,477	1,106,039
Corporate Assets [Member]
Segment Reporting Asset Reconciling Item [Line Items]
Total assets	$ 218,127	$ 271,403