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Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Basic EPS [Abstract]        
Weighted average common shares outstanding (in shares) 42,838 43,360 42,940 43,464
Net income available to common stockholders $ 38,973 $ 37,433 $ 115,874 $ 117,575
Basic EPS (in dollars per share) $ 0.91 $ 0.86 $ 2.7 $ 2.71
Diluted EPS [Abstract]        
Weighted average common shares outstanding (in shares) 42,838 43,360 42,940 43,464
Dilutive effect of common stock options and restricted stock (in shares) 273 271 254 305
Weighted average common shares and common share equivalents (in shares) 43,111 43,631 43,194 43,769
Net income available to common stockholders $ 38,973 $ 37,433 $ 115,874 $ 117,575
Diluted EPS (in dollars per share) $ 0.9 $ 0.86 $ 2.68 $ 2.69