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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Income Taxes          
Effective tax rate     7.00%    
Provision (benefit) for income taxes $ (1,143) $ 973 $ (1,644) $ 1,663  
Statutory tax rate     21.00%    
Income taxes paid $ 1,500     $ 6,500  
Deferred tax assets, foreign and state NOL carryforwards         $ 30,000
Foreign and state, net operating loss (NOL) carryforwards         119,500
Other foreign deductible carryforwards         64,700
Deferred tax assets, valuation allowance         $ 19,900