Long-Term Debt - Additional Information (Details) - USD ($) shares in Millions			1 Months Ended	3 Months Ended	12 Months Ended
	Jun. 30, 2017	Sep. 07, 2016	May 31, 2015	Mar. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Debt instrument aggregate principal amount				$ 873,733,000	$ 873,733,000
8.50% Unsecured Senior Notes, Due June 2019
Debt Instrument [Line Items]
Debt instrument aggregate principal amount				$ 189,829,000	$ 189,829,000
Debt instrument maturity date				Jun. 15, 2019	Jun. 15, 2019
Debt instrument interest rate				8.50%	8.50%
Debt instrument payment terms				semi-annually in arrears on June 15 and December 15
Annual effective interest rate				8.30%
9.00%/10.75% Second Lien PIK Toggle Notes, Due May 2020
Debt Instrument [Line Items]
Debt instrument aggregate principal amount				$ 163,007,000	$ 163,007,000
Debt instrument maturity date				May 15, 2020
Debt instrument interest rate		9.00%		9.00%
Debt instrument paid in kind interest rate				10.75%
Debt instrument payment terms				Cash interest accrues at 9.00% per annum and is payable on May 15 and November 15 of each year. The Second Lien PIK Toggle Notes contain PIK interest provisions, where certain semi-annual interest is added to the principal amount instead of being paid in cash in the then current semi-annual period. We have the option for the first 18 months to pay all or a portion of interest in kind at a rate of 10.75% per annum.
Debt instrument, period in which interest can be paid-in-kind		18 months
Debt instrument stated interest rate percentage for payment-in-kind		10.75%
8.50%/10.00% Third Lien PIK Toggle Notes, Due June 2021
Debt Instrument [Line Items]
Debt instrument aggregate principal amount				$ 145,897,000	145,897,000
Debt instrument maturity date				Jun. 15, 2021
Debt instrument interest rate		8.50%		8.50%
Debt instrument paid in kind interest rate				10.00%
Debt instrument payment terms				The maturity date will accelerate to February 28, 2019 if the remaining Unsecured Senior Notes have not been extended, renewed, refunded, defeased, discharged, replaced or refinanced by February 28, 2019. Cash interest accrues at 8.50% per annum and is payable on June 15 and December 15 of each year. The Third Lien PIK Toggle Notes contain PIK interest provisions, where certain semi-annual interest is added to the principal amount instead of being paid in cash in the then current semi-annual period. We have the option for the first 24 months to pay all or a portion of interest in kind at a rate of 10.00% per annum.
Debt instrument, period in which interest can be paid-in-kind		24 months
Debt instrument stated interest rate percentage for payment-in-kind		10.00%
11.00% 1.5 Lien Term Loan, Due November 2019
Debt Instrument [Line Items]
Debt instrument aggregate principal amount				$ 75,000,000	75,000,000
Debt instrument maturity date				Nov. 15, 2019
Debt instrument interest rate				11.00%
Revolving Bank Credit Facility Due November 2018
Debt Instrument [Line Items]
Revolving bank credit facility borrowing base				$ 150,000,000
Revolving bank credit facility maximum lender commitment				150,000,000
Outstanding balances on the revolving bank credit facility (including letters of credit)				$ 5,000,000
Unused portion of the borrowing base commitment fee				0.50%
Credit agreement expiration date				Nov. 08, 2018
Revolving bank credit facility borrowings outstanding				$ 0	0
Letters of credit outstanding				500,000	500,000
Remaining availability				$ 149,500,000
Revolving Bank Credit Facility Due November 2018 | Scenario Covenants
Debt Instrument [Line Items]
First lien leverage ratio, through June 30, 2017				250.00%
Maximum unrestricted cash balance if revolver balance is above $5 million				$ 35,000,000
Revolving Bank Credit Facility Due November 2018 | Scenario Forecast
Debt Instrument [Line Items]
First lien leverage ratio, after June 30, 2017	200.00%
Revolving Bank Credit Facility Due November 2018 | Minimum
Debt Instrument [Line Items]
Current ratio				100.00%
Revolving Bank Credit Facility Due November 2018 | Minimum | Eurodollar
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate				3.00%
Revolving Bank Credit Facility Due November 2018 | Maximum | Eurodollar
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate				4.00%
11.00% 1.5 Lien Term Loan, Due November 2019
Debt Instrument [Line Items]
Debt instrument maturity date		Nov. 15, 2019
Debt instrument interest rate		11.00%
Debt instrument payment terms				Interest accrues at 11.00% per annum and is payable quarterly in cash.
Debt instrument frequency of interest payment in cash				quarterly
Debt instrument, maturity date, description				1.5 Lien Term Loan on September 7, 2016 with a maturity date of November 15, 2019. The maturity date will accelerate to February 28, 2019 if the remaining Unsecured Senior Notes have not been extended, renewed, refunded, defeased, discharged, replaced or refinanced by February 28, 2019.
9.00 % Second Lien Term Loan, Due May 2020
Debt Instrument [Line Items]
Debt instrument aggregate principal amount				$ 300,000,000	$ 300,000,000
Debt instrument maturity date				May 15, 2020	May 15, 2020
Debt instrument interest rate			9.00%	9.00%	9.00%
Debt instrument payment terms				Interest on the Second Lien Term Loan is payable in arrears semi-annually on May 15 and November 15.
Debt instrument discount rate			1.00%
Annual effective interest rate				9.60%
Exchange Transaction | 8.50% Unsecured Senior Notes, Due June 2019
Debt Instrument [Line Items]
Debt instrument aggregate principal amount		$ 710,200,000
Percentage of unsecured senior notes exchanged		79.00%
Debt instrument maturity date				Jun. 15, 2019
Exchange Transaction | 8.50% Unsecured Senior Notes, Due June 2019 | Common Stock
Debt Instrument [Line Items]
Debt conversion, common stock shares issued		60.4
Exchange Transaction | 9.00%/10.75% Second Lien PIK Toggle Notes, Due May 2020
Debt Instrument [Line Items]
Debt instrument aggregate principal amount		$ 159,800,000
Debt instrument maturity date				May 15, 2020
Exchange Transaction | 9.00%/10.75% Second Lien PIK Toggle Notes, Due May 2020 | Minimum
Debt Instrument [Line Items]
Debt instrument interest rate		9.00%
Exchange Transaction | 9.00%/10.75% Second Lien PIK Toggle Notes, Due May 2020 | Maximum
Debt Instrument [Line Items]
Debt instrument paid in kind interest rate		10.75%
Exchange Transaction | 8.50%/10.00% Third Lien PIK Toggle Notes, Due June 2021
Debt Instrument [Line Items]
Debt instrument aggregate principal amount		$ 142,000,000
Debt instrument maturity date				Jun. 15, 2021
Exchange Transaction | 8.50%/10.00% Third Lien PIK Toggle Notes, Due June 2021 | Minimum
Debt Instrument [Line Items]
Debt instrument interest rate		8.50%
Exchange Transaction | 8.50%/10.00% Third Lien PIK Toggle Notes, Due June 2021 | Maximum
Debt Instrument [Line Items]
Debt instrument paid in kind interest rate		10.00%
Exchange Transaction | 11.00% 1.5 Lien Term Loan, Due November 2019
Debt Instrument [Line Items]
Debt instrument aggregate principal amount		$ 75,000,000
Debt instrument maturity date				Nov. 15, 2019
Debt instrument interest rate		11.00%
Exchange Transaction | 1.5 Lien Term Loan
Debt Instrument [Line Items]
Interest expense recorded for new debt				$ 0