Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Earnings (numerator)
Net income attributable to common stockholders	$ 39,452	$ 20,168
Shares (denominator)
Weighted average common shares outstanding (basic)	44,408	51,335
Dilutive effect of stock options and stock awards outstanding	835	1,087
Adjusted weighted average common shares outstanding (diluted)	45,243	52,422
Earnings per share attributable to common stockholders
Basic	$ 0.89	$ 0.39
Diluted	$ 0.87	$ 0.38
Stock options and stock awards excluded from EPS calculation because the effect would be anti-dilutive		58