Income Taxes (Tax Effects of Temporary Differences and Tax Credits that Give Rise to Deferred Tax Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Income Taxes [Abstract]
Deferred tax assets: Allowance for loan losses	$ 4,427	$ 4,309
Deferred tax assets: Post retirement benefit obligation	951	1,685
Deferred tax assets: Loan mark-to-market adjustment	0	2,778
Deferred tax assets: Deferred compensation	1,369	1,293
Deferred tax assets: Installment sales	71	180
Deferred tax assets: Core deposit intangible	31	70
Deferred tax assets: Interest rate swap	251	370
Deferred tax assets: Qualified School Bond Tax Credits	919	0
Deferred tax assets: Affordable Housing/Other Tax Credits	1,244	0
Deferred tax assets: Other	284	647
Deferred Tax Assets: Net Operating Loss	288	0
Deferred tax assets: Investment in real estate limited partnerships, net	121	246
Deferred tax assets: Unrealized loss on securities available for sale	99	0
Deferred tax assets: Unrealized loss on securities held to maturity	1,726	0
Total deferred tax assets	11,781	11,578
Deferred tax liabilities: Loan mark-to-market adjustment	(3,756)	0
Deferred tax liabilities: Deferred compensation	(3)	0
Deferred tax liabilities: Unrealized gain on securities available for sale	0	(3,259)
Deferred tax liabilities: Depreciation	(1,442)	(1,638)
Deferred tax liabilities: Accrued pension cost	(2,963)	(2,949)
Total deferred tax liabilities	(8,164)	(7,846)
Net deferred tax assets	$ 3,617	$ 3,732