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Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Numerator:    
Net income $ 47,388 $ 28,005
Denominator:    
Weighted-average common shares for calculating basic earnings per share (shares) 46,147 48,241
Stock options and nonvested stock awards (shares) 165 59
Weighted-average common shares for calculating diluted earnings per share (shares) 46,312 48,300
Earnings per share:    
Basic (USD per share) $ 1.03 $ 0.58
Diluted (USD per share) $ 1.02 $ 0.58