CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 2,180	$ 2,075
Other comprehensive income (loss):
Change in net unrealized holding gains on available-for-sale securities and I/O strips	(2,164)	372
Deferred income taxes	909	(156)
Change in net unamortized unrealized gain on securities available-for-sale that were reclassified to securities held-to-maturity	(14)
Deferred income taxes	6
Reclassification adjustment for (gains) realized in income	(31)	(27)
Deferred income taxes	13	11
Change in unrealized gains (loss) on securities and I/O strips, net of deferred income taxes	(1,281)	200
Change in net pension and other benefit plan liability adjustment	29	57
Deferred income taxes	(12)	(24)
Change in pension and other benefit plan liability, net of deferred income taxes	17	33
Other comprehensive income (loss)	(1,264)	233
Total comprehensive income	$ 916	$ 2,308