Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
NET INCOME	$ 6,932	$ 6,760	$ 19,445	$ 19,651
OTHER COMPREHENSIVE INCOME
Unrealized holding (losses) gains arising during the period on available-for-sale securities	(314)	133	(4,896)	235
Less: Reclassification adjustment for realized losses included in net income			(193)
Other comprehensive (loss) gain, before tax effect	(314)	133	(4,703)	235
Less: Tax effect of other comprehensive (loss) gain	(123)	52	(1,845)	92
TOTAL OTHER COMPREHENSIVE (LOSS) INCOME	(191)	81	(2,858)	143
COMPREHENSIVE INCOME	$ 6,741	$ 6,841	$ 16,587	$ 19,794