DERIVATIVE INSTRUMENTS (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Interest Rate Swap [Member]
Notional Amount	$ 25,000	$ 50,000
Credit Exposure	0	0
Customer Interest Rate Swap Agreements [Member]
Notional Amount	13,289	47,240
Credit Exposure	148	441
Interest Rate Lock Commitments [Member]
Notional Amount	92,700	38,985
Credit Exposure	4,282	1,381
Forward Commitments To Sell Mortgage Backed Securities [Member]
Notional Amount	127,050	58,800
Credit Exposure	$ 0	$ 0