Other Intangible Assets Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount					$ 8,451	$ 8,413
Accumulated Amortization					(5,344)	(4,788)
Net Carrying Amount		$ 3,625	$ 4,140	$ 4,492	3,107	3,625
Finite-lived Intangible Assets [Roll Forward]
Finite-Lived Intangible Assets, Beginning Balance		3,625	4,140	4,492
Intangible Assets Acquired		107	133	331
Impairment of Intangible Assets, Finite-lived		(38)
Amortization of Intangible Assets		(587)	(648)	(683)
Finite-Lived Intangible Assets, Ending Balance		3,107	3,625	4,140
Depositor Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	[1]				2,247	2,247
Accumulated Amortization	[1]				(2,247)	(2,237)
Net Carrying Amount	[1]	10	61	153	0	10
Finite-lived Intangible Assets [Roll Forward]
Finite-Lived Intangible Assets, Beginning Balance	[1]	10	61	153
Intangible Assets Acquired	[1]	0	0	0
Impairment of Intangible Assets, Finite-lived		0
Amortization of Intangible Assets	[1]	(10)	(51)	(92)
Finite-Lived Intangible Assets, Ending Balance	[1]	0	10	61
Mortgage Servicing Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	[2]				1,822	1,715
Accumulated Amortization	[2]				(1,143)	(883)
Net Carrying Amount	[2]	832	960	859	679	832
Finite-lived Intangible Assets [Roll Forward]
Finite-Lived Intangible Assets, Beginning Balance	[2]	832	960	859
Intangible Assets Acquired	[2]	107	133	331
Impairment of Intangible Assets, Finite-lived	[2]	0
Amortization of Intangible Assets	[2]	(260)	(261)	(230)
Finite-Lived Intangible Assets, Ending Balance	[2]	679	832	960
Customer Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	[1]				4,382	4,451
Accumulated Amortization	[1]				(1,954)	(1,668)
Net Carrying Amount	[1]	2,783	3,119	3,480	$ 2,428	$ 2,783
Finite-lived Intangible Assets [Roll Forward]
Finite-Lived Intangible Assets, Beginning Balance	[1]	2,783	3,119	3,480
Intangible Assets Acquired	[1]	0	0	0
Impairment of Intangible Assets, Finite-lived	[1]	(38)
Amortization of Intangible Assets	[1]	(317)	(336)	(361)
Finite-Lived Intangible Assets, Ending Balance	[1]	$ 2,428	$ 2,783	$ 3,119

[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.