Summary of Significant Accounting Policies - Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Basic EPS, Income (Numerator)
Income available to common shareholders	$ 304,611	$ 583,411	$ 279,354
Diluted EPS, Income (Numerator)
Income available to common shareholders	$ 304,611	$ 583,411	$ 279,354
Basic EPS, Weighted Average Shares (Denominator)
Number of shares outstanding	45,596	45,368	45,230
Effect of Dilutive Securities, Shares (Denominator)
Stock options and restricted stock units	481	426	482
Diluted EPS, Weighted Average Shares (Denominator)
Number of shares outstanding	46,077	45,794	45,712
Earnings Per Share, Diluted, Other Disclosures
Anti-dilutive securities excluded from diluted EPS	173	295	214
Basic EPS, Per Share Amount
Basic net earnings per share (in dollars per share)	$ 6.68	$ 12.86	$ 6.18
Diluted EPS, Per Share Amount
Diluted earnings per share (in dollars per share)	$ 6.61	$ 12.74	$ 6.11