Goodwill and Intangible Assets - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Intangible Liability Disclosure [Abstract]
Change in the Company's recorded goodwill	$ 0	$ 0	$ 0	$ 0
Amortization expense of intangible assets	76	101	151	209
Expiration of amortization			Through 2016
Amortization from capitalized internally developed software	$ 54	$ 116	$ 107	$ 181