Employee Benefit Plans - Additional Information (Detail) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Compensation And Retirement Disclosure [Abstract]
Non-qualified deferred compensation plan allowable eligible participants deferral percentage of base salary	80.00%
Non-qualified deferred compensation plan allowable eligible participants deferral percentage of other compensation	100.00%
Employee deferrals deemed vested percentage upon contribution	100.00%
Company's contributions to the plan	$ 200,000	$ 200,000
Company's expected contributions to the plan	$ 8,000