Other Intangible Assets Schedule of Finite-Lived Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 8,413		$ 8,280
Accumulated Amortization	(4,788)		(4,140)
Net Carrying Amount	3,625		4,140		4,492
Finite-lived Intangible Assets [Roll Forward]
Finite-Lived Intangible Assets, Beginning Balance	4,140		4,492		4,749
Intangible Assets Acquired	133		331		417
Amortization of Intangible Assets	(648)		(683)		(674)
Finite-Lived Intangible Assets, Ending Balance	3,625		4,140		4,492
Depositor Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,247	[1]	2,247	[1]
Accumulated Amortization	(2,237)	[1]	(2,186)	[1]
Net Carrying Amount	10	[1]	61	[1]	153	[1]
Finite-lived Intangible Assets [Roll Forward]
Finite-Lived Intangible Assets, Beginning Balance	61	[1]	153	[1]	286	[1]
Intangible Assets Acquired	0	[1]	0	[1]	0	[1]
Amortization of Intangible Assets	(51)	[1]	(92)	[1]	(133)	[1]
Finite-Lived Intangible Assets, Ending Balance	10	[1]	61	[1]	153	[1]
Mortgage Servicing Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,715	[2]	1,582	[2]
Accumulated Amortization	(883)	[2]	(622)	[2]
Net Carrying Amount	832	[2]	960	[2]	859	[2]
Finite-lived Intangible Assets [Roll Forward]
Finite-Lived Intangible Assets, Beginning Balance	960	[2]	859	[2]	599	[2]
Intangible Assets Acquired	133	[2]	331	[2]	417	[2]
Amortization of Intangible Assets	(261)	[2]	(230)	[2]	(157)	[2]
Finite-Lived Intangible Assets, Ending Balance	832	[2]	960	[2]	859	[2]
Customer Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	4,451	[1]	4,451	[1]
Accumulated Amortization	(1,668)	[1]	(1,332)	[1]
Net Carrying Amount	2,783	[1]	3,119	[1]	3,480	[1]
Finite-lived Intangible Assets [Roll Forward]
Finite-Lived Intangible Assets, Beginning Balance	3,119	[1]	3,480	[1]	3,864	[1]
Intangible Assets Acquired	0	[1]	0	[1]	0	[1]
Amortization of Intangible Assets	(336)	[1]	(361)	[1]	(384)	[1]
Finite-Lived Intangible Assets, Ending Balance	$ 2,783	[1]	$ 3,119	[1]	$ 3,480	[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.