Goodwill and Other Intangibles Net - Summary of Changes in Intangible Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Finite and Indefinite Lived Intangible Assets [Line Items]
Indefinite-lived assets, carrying amount	$ 90,569	$ 73,790
Definite-lived assets, gross carrying amount	14,332	12,455
Intangible assets, gross carrying amount	104,901	86,245
Definite-lived assets, accumulated amortization	(8,496)	(6,560)
Intangible assets, accumulated amortization ending balance	(8,496)	(6,560)
Definite-lived assets, net carrying amount	5,836	5,895
Intangible assets, net carrying amount	$ 96,405	79,685
Minimum [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Estimated useful life	1 year
Maximum [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Estimated useful life	3 years
Trade Names [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Indefinite-lived assets, carrying amount	$ 60,762	54,732
Definite-lived assets, gross carrying amount	8,985	8,230
Definite-lived assets, accumulated amortization	(4,385)	(2,797)
Definite-lived assets, net carrying amount	4,600	5,433
Noncompete Agreements [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Definite-lived assets, gross carrying amount	5,347	4,225
Definite-lived assets, accumulated amortization	(4,111)	(3,763)
Definite-lived assets, net carrying amount	1,236	462
Licensing Agreements [Member]
Finite and Indefinite Lived Intangible Assets [Line Items]
Indefinite-lived assets, carrying amount	$ 29,807	$ 19,058