Commitments and Contingencies - Future Minimum Lease Payments Under Noncancellable Operating Leases and Capital Lease (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Future Minimum Payments Under Non Cancelable Operating Leases With Initial Or Remaining Lease Terms In Excess Of One Year And Future Minimum Capital Lease Payments [Line Items]
2017	$ 7,858
2018	4,895
2019	3,272
2020	823
2021	12
Thereafter	0
Capital Leases, Future Minimum Payments, Net Minimum Payments, Total	16,860
Less: Amounts representing executory costs	(414)
Less: Amounts representing interest	(1,153)
Total obligation under capital leases	15,293
Total obligation under capital leases	15,293
Less: Current portion of capital leases	(6,929)	$ (8,411)
Long term capital lease obligation	8,364	$ 12,031
2017	9,940
2018	6,740
2019	4,997
2020	3,603
2021	2,166
Thereafter	2,718
Operating Leases, Future Minimum Payments Due, Total	30,164
Related Party Operating Lease [Member]
Future Minimum Payments Under Non Cancelable Operating Leases With Initial Or Remaining Lease Terms In Excess Of One Year And Future Minimum Capital Lease Payments [Line Items]
2017	640
2018	434
2019	260
Operating Leases, Future Minimum Payments Due, Total	1,334
Other Operating Leases [Member]
Future Minimum Payments Under Non Cancelable Operating Leases With Initial Or Remaining Lease Terms In Excess Of One Year And Future Minimum Capital Lease Payments [Line Items]
2017	9,300
2018	6,306
2019	4,737
2020	3,603
2021	2,166
Thereafter	2,718
Operating Leases, Future Minimum Payments Due, Total	$ 28,830