CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Unrealized holding gains (losses) on securities:
Unrealized holding gains (losses) arising during the period, tax	$ 93	$ 295	$ (1,539)	$ 861
Reclassification adjustment due to gains realized on sales of securities, tax	$ 0	$ 0	$ (2)	$ 0