Leases - Summary of Minimum Future Capital and Operating Leases Payments (Detail) $ in Thousands	Dec. 31, 2015 USD ($)
Operating Leased Assets [Line Items]
Operating Leases, Future Minimum Payments Due, Next Twelve Months	$ 2,123
Capital Leases, Future Minimum Payments Due, Next Twelve Months	651
Operating Leases, Future Minimum Payments, Due in Two Years	1,960
Capital Leases, Future Minimum Payments Due in Two Years	91
Operating Leases, Future Minimum Payments, Due in Three Years	1,785
Capital Leases, Future Minimum Payments Due in Three Years	74
Operating Leases, Future Minimum Payments, Due in Four Years	1,337
Capital Leases, Future Minimum Payments Due in Four Years	3
Operating Leases, Future Minimum Payments, Due in Five Years	6
Capital Leases, Future Minimum Payments Due in Five Years	3
Operating Leases, Future Minimum Payments, Due Thereafter	0
Capital Leases, Future Minimum Payments Due Thereafter	21
Operating Leases, Future Minimum Payments Due	7,211
Capital Leases, Future Minimum Payments Due	$ 843