Equity - Change in Net Income Attributable to Common Shareholders (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Class of Stock [Line Items]
Net income attributable to common stockholders	$ (12,793)	$ 11,087	$ (8,298)	$ 16,764
Increase in additional paid-in capital for the conversion of OP Units into common stock	0	0	0	0
Change from net income attributable to common stockholders and transfers from non-controlling interests	1,280	16,681	13,436	25,629
Additional Paid-In Capital
Class of Stock [Line Items]
Increase in additional paid-in capital for the conversion of OP Units into common stock	$ 14,073	$ 5,594	$ 21,734	$ 8,865