Basis of Presentation - Reconciliation of Basic and Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Numerator- Basic and Diluted
Total net (loss) income attributable to common stockholders	$ (42,901)	$ 11,177	$ (155,950)	$ (49,451)
Less: allocation to participating securities	0	(4,310)	0	0
Net (loss) income attributable to common stockholders	$ (42,901)	$ 6,867	$ (155,950)	$ (49,451)
Denominator - Basic and diluted
Weighted average number of common shares (in shares)	25,307,714	24,924,169	25,154,151	24,811,895
Earnings per share
Basic (in dollars per share)	$ (1.70)	$ 0.28	$ (6.20)	$ (1.99)
Diluted (in dollars per share)	$ (1.70)	$ 0.28	$ (6.20)	$ (1.99)