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Net Income per Common Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Earnings Per Share [Abstract]        
Antidilutive securities excluded from computation of earnings per share (in shares) 317,062 147,344 317,062 147,344
Numerator for basic and dilutive net income per common share – net income allocable to common shareholders $ 563,237 $ 2,712,161 $ 1,559,084 $ 3,779,666
Denominator for basic net income per share - weighted average common shares outstanding (in shares) 175,499,000 175,283,000 175,451,000 175,227,000
Net effect of dilutive stock options - based on treasury stock method (in shares) 651,000 1,045,000 719,000 1,098,000
Denominator for dilutive net income per share - weighted average common shares outstanding (in shares) 176,150,000 176,328,000 176,170,000 176,325,000
Basic (in USD per share) $ 3.21 $ 15.47 $ 8.89 $ 21.57
Diluted (in USD per share) $ 3.20 $ 15.38 $ 8.85 $ 21.44