CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 10,323	$ 7,168	$ 9,172
Other comprehensive income (loss):
Unrealized gains (losses) on securities arising during the period	2,914	9,788	(5,341)
Reclassification of realized amount	(545)	(18)	0
Net change in unrealized gain (loss) on securities	2,369	9,770	(5,341)
Less tax impact	806	3,322	(1,816)
Other comprehensive income (loss):	1,563	6,448	(3,525)
Comprehensive income	$ 11,886	$ 13,616	$ 5,647