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Income Taxes - Reconciliation of Beginning and Ending Balance of Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Balance at January 1 $ 6,891 $ 5,792 $ 5,412
Additions based on tax positions related to the current year 1,873 974 1,283
Additions based on tax positions related to prior years 0 125  
Reductions based on tax positions related to prior years     (498)
Reductions as a result of a lapse of applicable statute of limitations (47) 0 (405)
Other 462 0 0
Balance at December 31 $ 9,179 $ 6,891 $ 5,792