Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Change in deferred tax valuation allowance			$ (36,000)
Valuation allowance	0
U.S. federal income tax statutory rate	35.00%
Company recognized uncertain tax positions	$ 0	$ 0