SECURITIES (Details Narrative) (USD $) In Thousands, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Proceeds from sales of securities available-for-sale													$ 286,645	$ 38,958	$ 237,965
Gross realized gains													6,200	1,100	2,400
Gross realized losses													500	100	400
Net gain on sale of securities	4,317	61	593	(27)	2	209	490	(1,066)	(160)	1,181	130	114	5,672	1,022	2,014
Pooled trust preferred security
Amortized Cost	4,400												4,400
Gross Unrealized Losses	1,600												1,600
Private label collateralized mortgage obligations
Amortized Cost							15,853
Gross Unrealized Losses	1,400						(2,811)						1,400
Other-than-temporary impairment loss	689												689
Community development-related equity investment
Equity Investment					1,000									1,000
Equity investment contributed capital, net of distributions					816									816
Permanent loss on investment													39		41
Securities available-for-sale
Amortized Cost	381,598				456,238								381,598	456,238
Gross Unrealized Losses	(2,215)				(5,587)								(2,215)	(5,587)
Securities pledged as collateral	$ 48,800												$ 48,800