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FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK - Commitments and Conditional Obligations (Detail) - USD ($) $ in Thousands | Jun. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Revolving, open ended home equity loans |  |
Commitments and conditional obligations |  |
Contract or Notional Amount | $ 108,832 | $ 100,897
1-4 family residential construction loans |  |
Commitments and conditional obligations |  |
Contract or Notional Amount | 3,914 | 2,463
Commercial real estate, construction and land development loans |  |
Commitments and conditional obligations |  |
Contract or Notional Amount | 17,640 | 11,682
Commercial, industrial and other loans |  |
Commitments and conditional obligations |  |
Contract or Notional Amount | 78,009 | 71,483
Standby letters of credit |  |
Commitments and conditional obligations |  |
Contract or Notional Amount | $ 6,638 | $ 7,309

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