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Net Income per Common Share - Schedule of Calculation of Net Income Per Common Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Basic:        
Net income $ 28,692 $ 15,696 $ 52,926 $ 61,440
Average common shares outstanding (in shares) 30,455 32,081 30,780 32,057
Basic net income per common share (in dollars per share) $ 0.94 $ 0.49 $ 1.72 $ 1.92
Diluted:        
Net income $ 28,692 $ 15,696 $ 52,926 $ 61,440
Average common shares outstanding (in shares) 30,455 32,081 30,780 32,057
Adjustment for common share equivalents (in shares) 50 62 52 69
Average common shares outstanding-diluted (in shares) 30,505 32,143 30,832 32,126
Diluted net income per common share (in dollars per share) $ 0.94 $ 0.49 $ 1.72 $ 1.91
Anti-dilutive shares (in shares) 3 0 3 0