Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Earnings Per Share [Abstract]
Net income (loss)	$ (124,975)	$ (78,458)	$ 126,139	$ (176,523)
Weighted average common shares outstanding:
Basic (in shares)	183,244	185,516	183,535	186,130
Effect of dilutive securities - Unvested restricted stock and restricted stock units	$ 0	$ 0	$ 133	$ 0
Diluted (in shares)	183,244	185,516	183,668	186,130
Earnings Per Share, Basic and Diluted [Abstract]
Basic (in dollars per share)	$ (0.68)	$ (0.42)	$ 0.69	$ (0.95)
Diluted (in dollars per share)	$ (0.68)	$ (0.42)	$ 0.69	$ (0.95)