Long-Term Debt - Additional Information (Detail) - USD ($)	1 Months Ended		8 Months Ended	9 Months Ended
	Sep. 30, 2016		Sep. 12, 2016	Sep. 30, 2016		Sep. 30, 2015	Dec. 31, 2015
Debt Disclosure [Line Items]
Derivatives Settled to Pay Down Revolver	$ 0		$ 51,979,000			$ 0
Repayments of Lines of Credit	21,000,000		$ 119,121,000			$ 98,000,000
Line of Credit Facility, Maximum Borrowing Capacity	$ 128,000,000			$ 128,000,000
Interest Coverage Ratio, Maximum	3.00			3.00
Current Ratio	1.00			1.00
Revolving Credit Facility
Debt Disclosure [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 200,000,000			$ 200,000,000
Interest rate option two, applicable margin rate	3.25%			3.25%
Interest Rate at Period End	3.77%			3.77%
Interest Rate at Period End, LIBOR component	0.52%			0.52%
Revolving Credit Facility | Future Period [Member]
Debt Disclosure [Line Items]
Debt To E B I T D Ratio Maximum	4.00			4.00
Revolving Credit Facility | Future Period Two [Member]
Debt Disclosure [Line Items]
Debt To E B I T D Ratio Maximum	3.75			3.75
Revolving Credit Facility | Future Period Three [Member]
Debt Disclosure [Line Items]
Debt To E B I T D Ratio Maximum	3.50			3.50
Letter of Credit
Debt Disclosure [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage				0.50%
Line of Credit [Member]
Debt Disclosure [Line Items]
Letters of Credit Outstanding, Amount	$ 5,000,000			$ 5,000,000
Line of Credit [Member] | Letter of Credit
Debt Disclosure [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	800,000			800,000
7.25% Senior Notes due 2019
Debt Disclosure [Line Items]
Senior Notes, Noncurrent	0			0			$ 300,000,000
8.50% Senior Notes due 2020
Debt Disclosure [Line Items]
Senior Notes, Noncurrent	$ 0			$ 0			775,000,000
Maximum [Member] | Revolving Credit Facility
Debt Disclosure [Line Items]
Interest rate option one, applicable margin rate over Adjusted LIBOR				3.00%
Interest rate option two, applicable margin rate	4.00%			4.00%
Maximum [Member] | Line of Credit [Member]
Debt Disclosure [Line Items]
Available borrowing capacity	$ 54,350,000	[1]		$ 54,350,000	[1]		$ 170,000,000	[2]
Minimum [Member] | Revolving Credit Facility
Debt Disclosure [Line Items]
Interest rate option one, applicable margin rate over Adjusted LIBOR				2.00%
Interest rate option two, applicable margin rate	3.00%			3.00%
Interest Payable One [Member] | Revolving Credit Facility
Debt Disclosure [Line Items]
Debt Instrument, Interest Payable Period				1 month
Interest Payable Two [Member] | Revolving Credit Facility
Debt Disclosure [Line Items]
Debt Instrument, Interest Payable Period				3 months
Interest Payable Three [Member] | Revolving Credit Facility
Debt Disclosure [Line Items]
Debt Instrument, Interest Payable Period				6 months

[1] Issuance costs attributable to the RBL were presented as a component of Other assets (see Note 11) prior to the accelerated write-off in advance of our bankruptcy filing during the three months ended June 30, 2016.

[2] Issuance costs attributable to the RBL were presented as a component of Other assets (see Note 11) prior to the accelerated write-off in advance of our bankruptcy filing during the three months ended June 30, 2016.