Goodwill and Trademarks and Other Intangibles, net - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Intangible Assets By Major Class [Line Items]
Changes in goodwill	$ 0	$ 0
Impairment of goodwill	0	0
Amortization of trademarks and other intangibles	27,000	96,000
Maximum
Intangible Assets By Major Class [Line Items]
Amortization of trademarks and other intangibles	100,000
Trademarks
Intangible Assets By Major Class [Line Items]
Residual value	$ 0
Trademarks | Minimum
Intangible Assets By Major Class [Line Items]
Finite-lived intangible assets, useful life	10 years
Trademarks | Maximum
Intangible Assets By Major Class [Line Items]
Finite-lived intangible assets, useful life	15 years
Trademarks
Intangible Assets By Major Class [Line Items]
Impairment of the indefinite-lived trademarks	$ 0	0
Impairment of the definite-lived trademarks	$ 0	$ 0
Trademarks | Minimum
Intangible Assets By Major Class [Line Items]
Finite-lived intangible assets, useful life	10 years
Trademarks | Maximum
Intangible Assets By Major Class [Line Items]
Finite-lived intangible assets, useful life	15 years
Non-compete agreements and contracts | Minimum
Intangible Assets By Major Class [Line Items]
Finite-lived intangible assets, useful life	1 year
Non-compete agreements and contracts | Maximum
Intangible Assets By Major Class [Line Items]
Finite-lived intangible assets, useful life	9 years