SUBORDINATED NOTES PAYABLE AND TRUST PREFERRED SECURITIES PAYABLE (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Subordinated Borrowing [Line Items]
Aggregate amount	$ 0	$ 0		$ 25,000
Interest expense on subordnated note			799
Trust preferred securities outstanding	70,680	70,680
Interest expense recorded on the trust preferred securities	$ 5,024	$ 5,024	$ 5,008