Goodwill and Intangibles - Additional Information (Detail) (USD $)	6 Months Ended
	Jun. 30, 2014
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment loss	$ 0
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense on other intangible assets	$ 547,000