Annual report pursuant to Section 13 and 15(d)

Reconciliation of Statutory Federal Income Tax Rate to Provision for Income Tax (Parenthetical) (Detail)

v2.4.0.8
Reconciliation of Statutory Federal Income Tax Rate to Provision for Income Tax (Parenthetical) (Detail)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Tax Expense Benefit Continuing Operations Income Tax Reconciliation [Abstract]      
Statutory federal rate 35.00% 35.00% 35.00%