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Income Taxes - Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Reconciliation of Unrecognized Income Tax Benefits      
Balance at January 1, $ 20,250 $ 20,994 $ 18,586
Additions based on income tax positions related to current year 3,754 461 550
Additions for income tax positions of prior years 1,379 147 0
Additions from acquisition 0 0 3,464
Reductions for income tax positions of prior years (200) (327) (1,589)
Statute of limitation expirations (79) (820) (17)
Settlements 0 (205) 0
Balance at December 31, 25,104 20,250 20,994
Unrecognized tax benefits, income tax penalties and interest accrued 3,300 2,700 3,300
Unrecognized tax benefits that would impact effective tax rate 23,500 $ 19,100 $ 20,400
Approximate range of uncertain income tax positions expected to be settled or resolved during the next 12 months, minimum $ 2,300