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Income Taxes - Income Tax Benefit Activity (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Reconciliation of unrecognized tax benefits      
Balance at January 1 $ 408 $ 402 $ 667
Additions based on positions related to current period 65 62 101
Reductions based on positions related to prior period 0 0 (314)
Reductions due to lapse of statute of limitations (66) (56) (52)
Balance at December 31 $ 407 $ 408 $ 402