Debt and DIP Financing (Schedule of Long-term Debt) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Debtor in possession financing	$ 4,000	$ 0
Liabilities subject to compromise	306,419	$ 0
Term Loan [Member] \| Term Loan [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	175,000
Less unamortized discount on Term Loan	(1,656)
Less unamortized debt issuance costs	(2,423)
Long-term Debt	170,921
Senior Notes [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	300,000
Less unamortized debt issuance costs	(2,003)
Interest Payable	8,422
Liabilities subject to compromise	$ 306,419

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount, after accumulated amortization, of debt discount.

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Amount of debtor-in-possession borrowings outstanding.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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Total amount of liabilities subject to compromise.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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