Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified		3 Months Ended					12 Months Ended
	Dec. 31, 2013	Dec. 31, 2013 Federal	Dec. 31, 2013 New York	Dec. 31, 2013 Connecticut	Dec. 31, 2013 Pennsylvania	Dec. 31, 2013 New Jersey	Dec. 31, 2013 Minimum	Dec. 31, 2013 Maximum
Income Tax Disclosure [Abstract]
Net operating loss carryforward	$ 8.3
Annual limitation of federal NOLs							1.0	2.2
Expiration date of net operating loss carryforward							Dec. 31, 2018	Dec. 31, 2024
Unrecognized income tax benefit	0.8
Unrecognized income tax benefit related accrued interest and penalties	$ 0.1
Number of years for examination		Four	Four	Four	Four	Five