ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY (Troubled Debt Restructuring Subsequently Defaulted) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012
Troubled Debt Restructurings that Subsequently Defaulted [Abstract]
Number of Loans	0	1
Recorded Investment	$ 0	$ 65
Closed End First Mortgage Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member]
Troubled Debt Restructurings that Subsequently Defaulted [Abstract]
Number of Loans	0	1
Recorded Investment	$ 0	$ 65