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Related Party Transactions - Loans to Related Parties (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Loans and Leases Receivable, Related Parties [Roll Forward]  
Beginning balance $ 1,733
Advances 1,823
Repayments (2,095)
Other (778)
Ending balance $ 683