Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Net income	$ 1,607	$ 950
Unrealized gains (losses) on securities:
Unrealized gains on securities available for sale arising during the period, net of tax of $156 and $188 for the three months ended March 31	269	316
Unrealized gains (losses) on other-than-temporarily impaired securities available for sale arising during the period, net of tax of $20 and $25 for the three months ended March 31	33	(43)
Reclassification adjustment for gains on securities available for sale included in net income, net of tax of $220 and $503 for the three months ended March 31	(371)	(846)
Reclassification adjustment for credit related other-than-temporary impairment losses on securities available for sale included in net income, net of tax of $0 and $110 for the three months ended March 31	0	186
Unrealized losses net of settlements on cash flow hedge arising during the period, net of tax of $40 and $64 for the three months ended March 31	66	107
Defined benefit pension plans:
Amortization of prior service cost, net of tax of $0 and $2 for the three months ended March 31	0	(4)
Amortization of actuarial loss, net of tax of $199 and $91 for the three months ended March 31	335	155
Other comprehensive income (loss)	332	(129)
Total comprehensive income	$ 1,939	$ 821