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Loans - Summary of Troubled Debt Restructurings (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Contract
Financing Receivable, Modifications [Line Items]  
Number Of Loans Restructured 1
Pre-Modification Recorded Investment $ 84
Post-Modification Recorded Investment 84
Residential Real Estate [Member]
 
Financing Receivable, Modifications [Line Items]  
Number Of Loans Restructured 1
Pre-Modification Recorded Investment 84
Post-Modification Recorded Investment $ 84