Long-Term Debt - Additional Information (Detail) (USD $)	3 Months Ended	12 Months Ended				0 Months Ended	12 Months Ended							12 Months Ended		3 Months Ended
	Dec. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Aug. 02, 2013	Jul. 27, 2010 8.75% Senior Secured First Lien Notes [Member]	Dec. 31, 2013 8.75% Senior Secured First Lien Notes [Member]	Dec. 31, 2012 8.75% Senior Secured First Lien Notes [Member]	Dec. 31, 2013 8.75% Senior Secured First Lien Notes [Member] Twelve Months Beginning August 1, 2013, Term Four [Member]	Dec. 31, 2013 8.75% Senior Secured First Lien Notes [Member] Twelve Months Beginning August 1, 2014, Term Four [Member]	Dec. 31, 2013 8.75% Senior Secured First Lien Notes [Member] Twelve Months Beginning August 1, 2015, Term Four [Member]	Dec. 31, 2013 8.75% Senior Secured First Lien Notes [Member] Twelve Months Beginning August 1, 2016, Term Four [Member]	Dec. 31, 2013 8.75% Senior Secured First Lien Notes [Member] Prior to August 1, 2013 Term One [Member]	Dec. 31, 2013 8.75% Senior Secured First Lien Notes [Member] Prior to August 1, 2013, Term Two [Member]	Dec. 31, 2013 8.75% Senior Secured First Lien Notes [Member] Prior to August 1, 2013, Term Three [Member]	Dec. 31, 2012 Notes Payable to Banks [Member]	Jun. 30, 2012 Notes Payable to Banks [Member]
Debt Instrument [Line Items]
Interest expense related to amortization of the bond discount		$ 300,000	$ 600,000
Interest rate of notes						8.75%	8.75%
Aggregate principal amount of Senior Secured First Lien Notes						400,000,000
Notes face amount percentage, net of discount						98.722%
Notes maturity date							Aug. 01, 2017
Net proceeds from the sale of notes		375,000,000	20,000,000			388,000,000
Discount on bond							5,000,000
Fees for sale of notes							7,000,000
Principal amount repurchased	16,200,000			16,200,000	324,000,000											40,000,000	20,000,000
Gain (loss) on debt extinguishment	400,000	(29,675,000)	(3,743,000)	(423,000)												2,500,000	1,200,000
Redemption price for the redeemed notes																103.00%	103.00%
Rate on priority on principal amount with net proceeds at redemption													10.00%	35.00%
Redemption price on principal amount with net proceeds, accrued and unpaid expense									106.563%	104.375%	102.188%	100.00%	103.00%	108.75%	100.00%
Rate on principal amount outstanding														65.00%
Redemption closing date														60 days
Redemption of Notes upon change in control, amount as percentage of principal amount including interest							101.00%
Redemption of Notes declaration of acceleration written percentage of principal amount							25.00%
Carrying amount of notes								320,900,000
Fair value of notes		$ 364,100,000	$ 371,300,000					$ 351,300,000