Equity - Changes in Other Comprehensive Income (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	$ 1,991,137	$ 1,724,719
Ending Balance	2,051,369	1,892,186
AOCI Attributable to Parent
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning Balance	(17,963)	(1,928)
Ending Balance	(12,041)	(20,730)
Accumulated Net Gain (Loss) from Cash Flow Hedges Including Portion Attributable to Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Other comprehensive gain (loss) before reclassifications	3,486	(19,773)
Amounts of loss reclassified from accumulated other comprehensive income to interest expense	$ 2,436	$ 971