Income (Loss) Per Share - Summary of Computation of Basic and Diluted Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share [Abstract]
Net income (loss)	$ (140,611)	$ 94,764	$ 17,138	$ (14,872)
Weighted average common shares outstanding — basic	65,807	54,178	62,023	54,167
Dilutive effect of securities		273	295
Weighted average common shares outstanding — diluted	65,807	54,451	62,318	54,167
Basic	$ (2.14)	$ 1.75	$ 0.28	$ (0.27)
Diluted	$ (2.14)	$ 1.74	$ 0.28	$ (0.27)
Anti-dilutive potentially issuable securities excluded from diluted common shares	5,106	3,857	4,732	4,739