Net Income Per Share - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Dec. 31, 2015	Apr. 30, 2013
Schedule Of Earnings Per Share [Line Items]
Number of new common stock issued	45,121,788		45,121,788	45,044,222
Warrants Repurchased Average Cost per Warrant			$ 8.12
Par value of common stock issued	$ 0.01		$ 0.01	$ 0.01	$ 0.01
Class of Warrant or Right, Number of Securities Called by Warrants or Rights					5,047,138
Exercise price of common stock					$ 16.67
Investment Warrants Expiration Date	Apr. 30, 2023
Common stock shares issued	136	207
Warrant exercised	136	398
Successor [Member]
Schedule Of Earnings Per Share [Line Items]
Number of new common stock issued					45,000,000
WarrantBuyBackAuthorizedDollars	$ 10,000
Warrants Purchased During Period Shares	228,500		860,100
Warrants Purchased During Period Dollars	$ 1,610	$ 0	$ 6,983
Class of Warrant or Right, Number of Securities Called by Warrants or Rights					5,047,138
Warrants outstanding	4,178,901		4,178,901
Employee Stock Option [Member] | Successor [Member]
Schedule Of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	176,668	110,000
Warrants [Member] | Successor [Member]
Schedule Of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	4,178,901
Restricted Stock Units (RSUs) [Member] | Successor [Member]
Schedule Of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	23,334