(Loss) Earnings Per Share - Schedule of Earnings Per Unit (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 (loss) income	$ (15,205)	$ (10,889)	$ (99,176)	$ 17,444
Basic (loss) earnings per share:
Weighted average common shares outstanding (in shares)	45,727	45,003	45,521	44,966
Basic earnings per share (in USD per share)	$ (0.33)	$ (0.24)	$ (2.18)	$ 0.39
Diluted (loss) earnings per share:
Weighted average common shares, including dilutive effect (in shares)	45,727	45,003	45,521	45,060
Diluted earnings per share (in USD per share)	$ (0.33)	$ (0.24)	$ (2.18)	$ 0.39