Contractual interest rate for funds borrowed, under the debt agreement.

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Fair Value Measurements - Carrying Value and Fair Value of Long-Term Debt and Other Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Sep. 27, 2018
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Warrants not settleable in cash, fair value	$ 3,900
5.00% Convertible Senior Notes due 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, interest rate	5.00%
7.75% Senior Secured Notes due 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, interest rate	7.75%
Level 2 \| Carrying Value \| 5.00% Convertible Senior Notes due 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 45,387	$ 44,783
Level 2 \| Carrying Value \| 7.75% Senior Secured Notes due 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	292,331	292,015
Level 2 \| Carrying Value \| Term Loan B
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	227,844	230,474
Level 2 \| Fair Value \| 5.00% Convertible Senior Notes due 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	41,645	66,477
Level 2 \| Fair Value \| 7.75% Senior Secured Notes due 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	189,000	309,375
Level 2 \| Fair Value \| Term Loan B
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	161,500	240,625
Level 3 \| Carrying Value \| Warrant
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Warrants not settleable in cash, fair value		8,206
Level 3 \| Carrying Value \| Mid Pac Term Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	1,424	1,433
Level 3 \| Carrying Value \| Retail Property Term Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	42,903	43,226
Level 3 \| Fair Value \| Warrant
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Warrants not settleable in cash, fair value		8,206
Level 3 \| Fair Value \| Mid Pac Term Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	1,424	1,433
Level 3 \| Fair Value \| Retail Property Term Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 42,903	$ 43,226
Term Loan \| Mid Pac Term Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, interest rate			4.375%