Equity - Changes in Ownership Interest in Operating Partnership (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Stockholders' Equity Note [Abstract]
Net income attributable to common stockholders	$ 26,923	$ 28,701
Transfers from noncontrolling interests:
Exchange of OP Units with noncontrolling interests	90	363
Repurchase of OP Units from noncontrolling interests	(4)	(291)
Net transfers from noncontrolling interests	86	72
Change from net income attributable to common stockholders and transfers from noncontrolling interests	$ 27,009	$ 28,773