Loans - Modified TDRs Loans (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Modified Tdrs Loans [Abstract]      
Adjusted interest rates $ 391 $ 1,433 $ 5,635
Extended maturity dates 2,946      
Combination of rate and maturity 207 1,505 2,237
Total $ 3,544 $ 2,938 $ 7,872