Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Details)

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Income Taxes - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Income Tax Contingency [Line Items]      
Cancellation of debt income $ 191,800    
Increase (decrease) in valuation allowance (98,856) $ 3,706 $ 28,353
U.S. Tax Authority      
Income Tax Contingency [Line Items]      
NOL carryforward $ 6,900 $ 170,600