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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Income Taxes        
Income tax (expense) benefit $ (2,887) $ (1,402) $ (6,769) $ 2,178
Income (loss) before income taxes $ 9,513 $ 7,211 $ 22,037 $ 6,696
Operating Loss Carryforwards, Period     5 years