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Stockholders' Equity (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Computation of diluted earnings:        
Net income (loss) $ 97,722 $ 73,882 $ 163,237 $ 73,852
Add: Interest expense from assumed conversion of convertible notes, net of tax 1,148 3,253
Net income (loss) for diluted earnings per share calculation $ 98,870 $ 73,882 $ 166,490 $ 73,852
Computation of diluted weighted average shares outstanding:        
Basic weighted average shares outstanding 49,583,317 52,829,386 50,345,293 52,799,199
Incremental shares from assumed exercise of stock options and vesting of restricted stock 386,169 1,024,289 561,689 1,134,027
Incremental shares from assumed conversion of convertible debt 2,781,818 2,781,818
Diluted weighted average shares outstanding 52,751,304 53,853,675 53,688,800 53,933,226