Future Minimum Lease Payments Under Non-cancelable Operating and Capital Leases (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Operating Leases
2014	$ 3,067
2015	3,118
2016	3,153
2017	3,031
2018	1,680
Thereafter	2,068
Total	16,117
Capital Leases
2014	486
2015	168
2016
2017
2018
Thereafter
Total	654
Less amount representing interest	(24)
Present value of minimum lease payments	630
Total
2014	3,553
2015	3,286
2016	3,153
2017	3,031
2018	1,680
Thereafter	2,068
Total	$ 16,771