Quarterly report pursuant to Section 13 or 15(d)

Investment Securities - Realized Gains and Losses on Sales of Investment Securities (Detail)

v2.4.0.6
Investment Securities - Realized Gains and Losses on Sales of Investment Securities (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Investments Debt And Equity Securities [Abstract]    
Gross Realized Gains on Sales of Investment Securities $ 9 $ 1
Gross Realized Losses on Sales of Investment Securities      
Net Realized Gains on Sales of Investment Securities 9 1
Proceeds from Sales of Investment Securities 9,000 3,000
Tax Expense on Sales of Investment Securities $ 4