Summary of Significant Accounting Policies - Schedule of Reconciliation of Numerator and Denominator of the Basic and Diluted Earnings Per Share Computations (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Basic EPS, Income (Numerator)
Income available to common shareholders	$ 279,354	$ 157,091	$ 191,642
Diluted EPS, Income (Numerator)
Income available to common shareholders and assumed conversions	$ 279,354	$ 157,091	$ 191,642
Basic EPS, Weighted Average Shares (Denominator)
Number of shares outstanding	45,230	45,000	44,734
Effect of Dilutive Securities, Shares (Denominator)
Stock options	482	376	523
Diluted EPS, Weighted Average Shares (Denominator)
Number of shares outstanding	45,712	45,376	45,257
Earnings Per Share, Diluted, Other Disclosures
Anti-dilutive options excluded from diluted EPS	214	384	65
Basic EPS, Per Share Amount
Basic net earnings per share (in dollars per share)	$ 6.18	$ 3.49	$ 4.28
Diluted EPS, Per Share Amount
Diluted earnings per share (in dollars per share)	$ 6.11	$ 3.46	$ 4.23