Equity - Change in Net Income Attributable to Common Shareholders (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Class of Stock [Line Items]
Net income (loss) attributable to common stockholders	$ (8,204)	$ 15,882	$ (16,502)	$ 32,646
Increase in additional paid-in capital for the conversion of OP Units into common stock	0	0	0	0
Change from net income (loss) attributable to common stockholders and transfers from non-controlling interests	(5,785)	28,790	7,651	54,419
Additional Paid-In Capital
Class of Stock [Line Items]
Increase in additional paid-in capital for the conversion of OP Units into common stock	$ 2,419	$ 12,908	$ 24,153	$ 21,773