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Goodwill and Intangible Assets - Schedule of Components of Intangible Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Goodwill And Intangible Assets Disclosure [Abstract]    
Customer relationships $ 3,006 $ 2,500
Accumulated amortization (562) (149)
Net $ 2,444 $ 2,351