Other Intangible Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense (Details) - USD ($) $ in Thousands		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Estimated Annual Amoritzation Expense: [Abstract]
2016		$ 543
2017		463
2018		392
2019		301
2020		257
Later Years		1,151
Net Carrying Amount		3,107	$ 3,625	$ 4,140	$ 4,492
Mortgage Servicing Rights [Member]
Estimated Annual Amoritzation Expense: [Abstract]
2016	[1]	250
2017	[1]	190
2018	[1]	136
2019	[1]	62
2020	[1]	31
Later Years	[1]	10
Net Carrying Amount	[1]	679	832	960	859
Customer Intangibles [Member]
Estimated Annual Amoritzation Expense: [Abstract]
2016	[2]	293
2017	[2]	273
2018	[2]	256
2019	[2]	239
2020	[2]	226
Later Years	[2]	1,141
Net Carrying Amount	[2]	$ 2,428	$ 2,783	$ 3,119	$ 3,480

[1] 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.

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