COMMITMENTS AND CONTINGENCIES (Interst Rate Swap) (Details) (Interest rate swaps [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended			3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	Mar. 31, 2013 Total loans [Member]	Dec. 31, 2012 Total loans [Member]	Mar. 31, 2013 Other assets [Member]	Dec. 31, 2012 Other assets [Member]	Mar. 31, 2013 Other liabilities [Member]	Dec. 31, 2012 Other liabilities [Member]
Derivative [Line Items]
Notional amount	$ 206,220		$ 205,505
Weighted average pay rate	4.52%		4.52%
Weighted average receive rate	4.12%		4.11%
Weighted average maturity in years	7 years 8 months 12 days	7 years 10 months 24 days
Unrealized gain (loss)				$ 3,049	$ 3,300	$ 4,398	$ 5,053	$ (7,447)	$ (8,353)