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Accrued Expenses and Other Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Payables and Accruals [Abstract]    
Accrued stock-based compensation (stock performance rights) $ 16,732 $ 14,437
Accrued compensation 10,199 9,794
Accrued and withheld taxes, other than income taxes 4,113 3,788
Accrued costs related to merger agreements 3,103 0
Accrued profit sharing 212 240
Accrued severance 192 1,103
Deferred revenue 800 822
Accrued health benefits 614 732
Other 10,723 7,576
Total accrued liabilities $ 46,688 $ 38,492