SECURITIES (Details 5) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Rollforward of Cumulative Credit Loss
Balance at the beginning of the period	$ 8,619	$ 22,598	$ 20,649
Additional credit losses on debt securities for which OTTI was previously recognized	96	798	4,271
Balance at the end of the period		8,619	22,598
FHLB and FRB stock
Investments in FHLB and FRB stock	7,300	9,700
Private Label CMOs
Rollforward of Cumulative Credit Loss
Less: Sale of securities for which OTTI was previously recognized			(2,322)
PreTSLs
Rollforward of Cumulative Credit Loss
Less: Sale of securities for which OTTI was previously recognized	$ (8,715)	$ (14,777)