Income Taxes - Components of Income Tax Provision (Detail) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Apr. 14, 2014	Jun. 30, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current provision:
Federal			$ 1,933	$ 2,615	$ 874
State			3,442	3,121	2,543
Foreign			78	103	205
Total current			5,453	5,839	3,622
Deferred provision:
Federal			17,765	22,279	(34)
State			(731)	687	77
Total deferred			17,034	22,966	43
Provision for income taxes			22,487	28,805	3,665
Net deferred tax expense	$ 321,100	$ 321,100		321,054
Income tax expense			$ 22,487	$ 349,859	$ 3,665