XML 92 R54.htm IDEA: XBRL DOCUMENT v2.4.0.8
Income Taxes - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
 9 Months Ended 12 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Jun. 30, 2013
Federal
Jun. 30, 2013
New York
Jun. 30, 2013
Connecticut
Jun. 30, 2013
Pennsylvania
Jun. 30, 2013
New Jersey
Dec. 31, 2012
Minimum
Dec. 31, 2012
Maximum
Income Tax Disclosure [Abstract]                  
Net operating loss carryforward   $ 10.6              
Annual limitation of federal NOLs               1.0 2.2
Expiration date of net operating loss carryforward               2018 2024
Unrecognized income tax benefit $ 0.8                
Number of years for examination     Four Four Four Four Five