Basic and Diluted (Loss) Earnings Per Share - Schedule Computation of Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Numerator:
Net income (loss)	$ (293,623)	$ 66,048	$ 43,793
Less: Accumulated dividends on convertible preferred stock			(12,984)
Less: Undistributed earnings allocated to convertible preferred stock		(23,607)	(17,014)
Net (loss) income attributable to common stockholders - basic	(293,623)	42,441	13,795
Add: Undistributed earnings reallocated to holders of common stock		304	431
Net (loss) income attributable to common stockholders - diluted	$ (293,623)	$ 42,745	$ 14,226
Denominator:
Weighted average shares - basic	274,696	226,607	111,842
Dilutive impact of stock options, restricted stock awards and restricted stock units		4,602	6,502
Weighted average shares - diluted	274,696	231,209	118,344
(Loss) earnings per share:
Basic	$ (1.07)	$ 0.19	$ 0.12
Diluted	$ (1.07)	$ 0.18	$ 0.12