Earnings Per Share - Basic and Diluted Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income	$ 148,421	$ 110,690
Less: distributed earnings allocated to participating securities	(194)	(158)
Less: undistributed earnings allocated to participating securities	(562)	(463)
Net income attributable to common stockholders (numerator for basic earnings per share)	147,665	110,069
Add back: undistributed earnings allocated to participating securities	562	463
Less: undistributed earnings reallocated to participating securities	(546)	(447)
Numerator for diluted earnings per share under two class method	$ 147,681	$ 110,085
Weighted-average common shares outstanding (in shares)	70,766,146	69,790,927
Denominator for diluted earnings per share under two class method (in shares)	72,938,414	72,788,177
Basic Earnings Per Common Share (in dollars per share)	$ 2.09	$ 1.58
Diluted Earnings Per Common Share (in dollars per share)	$ 2.02	$ 1.51
Stock option grants expense
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Weighted-average common shares outstanding, dilutive effect of stock options and contingently issuable equity awards (in shares)	1,998,156	2,367,394
Contingently issuable equity awards
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Weighted-average common shares outstanding, dilutive effect of stock options and contingently issuable equity awards (in shares)	174,112	629,856