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Income Taxes - Carryforwards (Details)
$ in Thousands
Dec. 31, 2020
USD ($)
Details of net operating loss carryforwards [Line Items]  
Net operating loss $ 270,930
2021  
Details of net operating loss carryforwards [Line Items]  
Net operating loss 2,040
2022  
Details of net operating loss carryforwards [Line Items]  
Net operating loss 2,222
2023 - 2038  
Details of net operating loss carryforwards [Line Items]  
Net operating loss 159,194
Indefinite  
Details of net operating loss carryforwards [Line Items]  
Net operating loss $ 107,474