COMMITMENTS, CONTINGENT LIABILITIES AND RESTRICTIONS (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Off-balance Sheet Risks, Disclosure Information [Line Items]
Face Value Disclosure Off-balance Sheet Risks Face Amount Liability	$ 662,088	$ 774,346
Commitments to Extend Credit [Member]
Off-balance Sheet Risks, Disclosure Information [Line Items]
Face Value Disclosure Off-balance Sheet Risks Face Amount Liability	638,774	750,178
Standby Letters of Credit [Member]
Off-balance Sheet Risks, Disclosure Information [Line Items]
Face Value Disclosure Off-balance Sheet Risks Face Amount Liability	$ 23,314	$ 24,168