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Information in Regard to Troubled Debt Restructurings that Occurred During Period (Detail) (Troubled Debt Restructuring, USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Contract
Financing Receivable, Modifications [Line Items]  
Number of Contracts 3
Pre-Modification Outstanding Balance $ 542
Post-Modification Outstanding Balance 542
Commercial Real Estate
 
Financing Receivable, Modifications [Line Items]  
Number of Contracts 3
Pre-Modification Outstanding Balance 542
Post-Modification Outstanding Balance $ 542