COMMITMENTS AND CONTINGENCIES (Summary of Contractual and Notional Amounts of Financial Instruments) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Home Equity
Financial Instruments [Line Items]
Contractual amounts of financial instrument	$ 307,148	$ 277,373
Commercial and commercial real estate
Financial Instruments [Line Items]
Contractual amounts of financial instrument	19,290	20,016
Residential
Financial Instruments [Line Items]
Contractual amounts of financial instrument	13,286	9,497
Letters of Credit
Financial Instruments [Line Items]
Contractual amounts of financial instrument	1,647	1,836
Other Commitments
Financial Instruments [Line Items]
Contractual amounts of financial instrument	19,559	16,845
Derivative mortgage loan commitments
Financial Instruments [Line Items]
Notional amount of derivative financial instruments
Customer loan swaps
Financial Instruments [Line Items]
Notional amount of derivative financial instruments	16,029	16,093
Interest rate swaps
Financial Instruments [Line Items]
Notional amount of derivative financial instruments	$ 43,000	$ 43,000