Quarterly report pursuant to Section 13 or 15(d)

SECURITIES (Investment Securities Continuous Unrealized Loss Position) (Detail)

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SECURITIES (Investment Securities Continuous Unrealized Loss Position) (Detail) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended 12 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]    
Less Than Twelve Months, Gross Unrealized Losses $ (2,105) $ (162)
Less Than Twelve Months, Gross Unrealized Losses Fair value 68,341 18,122
Twelve Months or More, Gross Unrealized Losses (3) 0
Twelve Months or More, Gross Unrealized Losses Fair value 174 166
Total, Gross Unrealized Losses (2,108) (162)
Total, Gross Unrealized Losses Fair value 68,515 18,288
US Treasury and Government [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Less Than Twelve Months, Gross Unrealized Losses 0 0
Less Than Twelve Months, Gross Unrealized Losses Fair value 1,045 0
Twelve Months or More, Gross Unrealized Losses 0 0
Twelve Months or More, Gross Unrealized Losses Fair value 0 0
Total, Gross Unrealized Losses 0 0
Total, Gross Unrealized Losses Fair value 1,045 0
Collateralized Mortgage Backed Securities [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Less Than Twelve Months, Gross Unrealized Losses (110) (40)
Less Than Twelve Months, Gross Unrealized Losses Fair value 27,107 4,439
Twelve Months or More, Gross Unrealized Losses 0 0
Twelve Months or More, Gross Unrealized Losses Fair value 0 0
Total, Gross Unrealized Losses (110) (40)
Total, Gross Unrealized Losses Fair value 27,107 4,439
US States and Political Subdivisions Debt Securities [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Less Than Twelve Months, Gross Unrealized Losses (1,954) (83)
Less Than Twelve Months, Gross Unrealized Losses Fair value 34,232 8,801
Twelve Months or More, Gross Unrealized Losses (3) 0
Twelve Months or More, Gross Unrealized Losses Fair value 174 166
Total, Gross Unrealized Losses (1,957) (83)
Total, Gross Unrealized Losses Fair value 34,406 8,967
Corporate Debt Securities [Member]
    
Schedule of Available-for-sale Securities [Line Items]    
Less Than Twelve Months, Gross Unrealized Losses (41) (39)
Less Than Twelve Months, Gross Unrealized Losses Fair value 5,957 4,882
Twelve Months or More, Gross Unrealized Losses 0 0
Twelve Months or More, Gross Unrealized Losses Fair value 0 0
Total, Gross Unrealized Losses (41) (39)
Total, Gross Unrealized Losses Fair value $ 5,957 $ 4,882