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Income Taxes (Details 6) - Tax Valuation Allowance - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Changes in valuation and qualifying accounts      
Balance at beginning of period $ 206,874 $ 174,119 $ 196,098
Charged (credited) to operations (7,233) 32,544 (21,294)
Charged to other account 2,242 211 3
Valuation allowance release 0 0 (688)
Balance at end of period $ 201,883 $ 206,874 $ 174,119