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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Income Taxes      
Effective tax rate 6.00%    
Provision (benefit) for income taxes $ (501) $ 690  
Statutory tax rate 21.00%    
Income taxes paid $ 5,000    
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