Annual report pursuant to Section 13 and 15(d)

Debt - Successor Term Loan, Due March 2024 (Details)

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Debt - Successor Term Loan, Due March 2024 (Details) - Successor term loan, due March 2024 - USD ($)
Sep. 20, 2019
Dec. 31, 2019
Mar. 31, 2019
Mar. 26, 2019
Debt Instrument [Line Items]        
Debt instrument, face amount     $ 210,000,000.0  
Fixed interest rate       13.00%
Paid in cash (as a percent)       11.00%
Paid in kind and capitalized (as a percent)       2.00%
Premium for prepayment on or prior to 6 months after closing date (as a percent)       0.00%
Premium for prepayment from 6 months and on or prior to two years after closing date (as a percent)       6.50%
Premium for prepayment from two years and on or prior to three years after closing date (as a percent)       3.25%
Premium for prepayment from three years after closing date (as a percent)       0.00%
Voluntary prepayment in principal $ 35,000,000.0      
Interest associated with principal payment $ 1,000,000.0      
Term Loan balance   $ 177,937,000    
Successor credit facility        
Debt Instrument [Line Items]        
Term Loan balance   $ 177,900,000