Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Unrealized gains on investment securities [Abstract]
Unrealized holding gains (losses) arising during period, before tax	$ 285		$ 518
Less reclassification adjustment for gains realized in net loss, before tax	45		139
Unrealized gains on investment securities, before tax	240		379
Unrecognized benefit obligation expense [Abstract]
Less reclassification adjustment for amortization, before tax	(142)		(78)
Other comprehensive loss, net, before tax	382		457
Unrealized gains on investment securities [Abstract]
Unrealized holding gains (losses) arising during period, tax	50		154
Less reclassification adjustment for gains realized in net loss, tax	15		49
Unrealized gains on investment securities, tax	35		105
Unrecognized benefit obligation expense [Abstract]
Less reclassification adjustment for amortization, tax	(48)		(27)
Other comprehensive income, net, tax	83		132
Unrealized gains on investment securities [Abstract]
Unrealized holding gains (losses) arising during period, net of tax	235		364
Less reclassification adjustment for gains realized in net loss	30	[1]	90	[1]
Unrealized gains on investment securities, net of tax	205		274
Unrecognized benefit obligation expense [Abstract]
Less reclassification adjustment for amortization, net of tax	(94)	[2]	(51)	[2]
Other comprehensive income	$ 299		$ 325

[1] Amounts are included in net gains on the sale of available for sale investment securities on the Consolidated Statements of Operations in total non-interest income.

[2] Amounts are included in salaries and benefits on the Consolidated Statements of Operations in non-interest expense.