Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
NET INCOME	$ 6,576	$ 6,536	$ 12,513	$ 12,891
OTHER COMPREHENSIVE INCOME
Unrealized holding (losses) gains arising during the period on available-for-sale securities	(4,232)	186	(4,581)	102
Less: Reclassification adjustment for realized losses included in net income	(193)		(193)
Other comprehensive (loss) gain, before tax effect	(4,039)	186	(4,388)	102
Less: Tax effect of other comprehensive (loss) gain	(1,584)	73	(1,721)	40
TOTAL OTHER COMPREHENSIVE (LOSS) INCOME	(2,455)	113	(2,667)	62
COMPREHENSIVE INCOME	$ 4,121	$ 6,649	$ 9,846	$ 12,953