Goodwill - Schedule of Goodwill Activity (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Goodwill And Intangible Assets Disclosure [Abstract]
Beginning balance	$ 23,532
Additions	673
Net foreign currency translation	223
Ending balance	24,428
June 30, 2014 balance at cost	25,464
Accumulated amortization	(1,036)
Ending balance	$ 24,428