Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details)

v3.23.3
Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2023
Sep. 30, 2022
Earnings Per Share [Abstract]                
Net income $ 105,574 $ 100,393 $ 86,568 $ 129,837 $ 118,894 $ 97,900 $ 292,535 $ 346,631
Basic earnings per share:                
Weighted average shares outstanding for basic EPS (in shares) 7,675,521     7,714,796     7,684,691 7,729,866
Basic earnings per share (in dollars per share) $ 13.75     $ 16.83     $ 38.07 $ 44.84
Diluted earnings per share:                
Weighted average shares outstanding for basic EPS (in shares) 7,675,521     7,714,796     7,684,691 7,729,866
Incentive and equity compensation plans (in shares) 6,253     5,425     6,294 3,639
Weighted average shares outstanding for diluted EPS (in shares) 7,681,774     7,720,221     7,690,985 7,733,505
Diluted earnings per share (in dollars per share) $ 13.74     $ 16.82     $ 38.04 $ 44.82