Goodwill and Intangible Assets - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Goodwill And Intangible Assets Disclosure [Abstract]
Amortization expense associated with identifiable intangible assets	$ 2,200,000	$ 42,000
Estimated total amortization expense 2014	2,300,000
Estimated total amortization expense 2015	2,300,000
Estimated total amortization expense 2016	700,000
Estimated total amortization expense 2017	400,000
Estimated total amortization expense 2018	$ 400,000