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Income Taxes, Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Reconciliation of change in liability for unrecognized tax benefits [Roll Forward]    
Balance at beginning of year $ 7,445 $ 6,032
Increases for tax positions taken in the current year 715 805
Increases for tax positions taken in prior years 0 1,267
Decreases related to settlements with tax authorities (3,643) (386)
Decreases as a result of lapse of the applicable statutes of limitations (367) (625)
Foreign currency exchange rate changes (389) 352
Balance at the end of year 3,761 7,445
Income tax uncertainties [Abstract]    
Unrecognized tax benefits that would impact the effective tax rate, if recognized 4,000  
Income tax interest and penalties accrued 400 $ 700
Expected decrease in liability for unrecognized tax benefits in the next fiscal year 700  
Unrecognized tax benefits that would impact the effective tax rate in the next fiscal year $ 400