Other Intangible Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Estimated Annual Amoritzation Expense: [Abstract]
2015	$ 581
2016	533
2017	453
2018	381
2019	290
Later Years	1,387
Net Carrying Amount	3,625		4,140		4,492		4,749
Depositor Intangibles [Member]
Estimated Annual Amoritzation Expense: [Abstract]
2015	10	[1]
2016	0	[1]
2017	0	[1]
2018	0	[1]
2019	0	[1]
Later Years	0	[1]
Net Carrying Amount	10	[1]	61	[1]	153	[1]	286	[1]
Mortgage Servicing Rights [Member]
Estimated Annual Amoritzation Expense: [Abstract]
2015	252	[2]
2016	232	[2]
2017	172	[2]
2018	118	[2]
2019	45	[2]
Later Years	13	[2]
Net Carrying Amount	832	[2]	960	[2]	859	[2]	599	[2]
Customer Intangibles [Member]
Estimated Annual Amoritzation Expense: [Abstract]
2015	319	[1]
2016	301	[1]
2017	281	[1]
2018	263	[1]
2019	245	[1]
Later Years	1,374	[1]
Net Carrying Amount	$ 2,783	[1]	$ 3,119	[1]	$ 3,480	[1]	$ 3,864	[1]

[1] Amortization of depositor intangibles and customer intangibles are reported in the consolidated statements of income as a component of other operating expense.

[2] Amortization of mortgage servicing rights is reported in the consolidated statements of income as a reduction of mortgage servicing fee income, which is included with fees for other services to customers.