Annual report pursuant to Section 13 and 15(d)

Deposits - Summary of Interest Expense on Deposits (Detail)

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Deposits - Summary of Interest Expense on Deposits (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Time Deposits [Abstract]      
Savings $ 1,812 $ 2,152 $ 2,757
Money market checking and NOW accounts 2,912 3,085 3,461
Time deposits of $100,000 or more 4,094 7,290 13,855
Other time deposits 3,860 3,350 3,885
Total interest expense on deposits $ 12,678 $ 15,877 $ 23,958