Intangible Assets - Schedule of Intangible Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Trade name	$ 2,558	$ 2,537
Intangible assets, gross	13,122	13,029
Accumulated amortization	(1,726)	(1,428)
Intangible assets, net	11,396	11,601
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	6,278	6,244
Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	$ 4,286	$ 4,248