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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 Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Balance at January 1 $ 42,787 $ 48,918 $ 58,819
Additions based on tax positions related to the current year 1,316 2,225 1,422
Reductions due to lapse of applicable statutes of limitation (5,696) (8,356) (11,323)
Gross balance at December 31 38,407 42,787 48,918
Interest and penalties 3,585 4,491 4,772
Balance at December 31 $ 41,992 $ 47,278 $ 53,690