Fresh Start Financial Statement Reporting - Schedule of Calculation of Pre-Tax Gain, Recorded as Reorganization on Consolidated Statement of Total Comprehensive Income (Parenthetical) (Detail) - USD ($)	Dec. 31, 2015	Dec. 31, 2014	May. 01, 2013	Apr. 30, 2013
Extinguishment of Debt [Line Items]
Enterprise value				$ 185,000,000
Common stock				$ 450,000
Common stock, shares issued				45,000,000
Common stock, par value				$ 0.01
Additional paid-in capital				$ 184,550,000
Additional paid-in capital allocated to warrants				$ 11,437
Number of warrants issued				5,047,138
Additional paid-in capital attributable to common stock				$ 173,113
Successor [Member]
Extinguishment of Debt [Line Items]
Common stock	$ 450,000	$ 450,000		$ 450,000
Common stock, shares issued	45,044,222	45,005,932	45,000,000
Common stock, par value	$ 0.01	$ 0.01	$ 0.01
Additional paid-in capital	$ 190,813,000	$ 189,138,000