Business and Summary of Significant Accounting Policies Business and Summary of Significant Accounting Policies (Details) (USD $)	12 Months Ended
	Dec. 31, 2014 reporting_unit_level office atm branch	Dec. 31, 2013	Dec. 31, 2012
Accounting Policy [Line Items]
Number of Branches	44
number of ATMs	58
number of commercial production offices	1
Equity Method Investment, Ownership Percentage	100.00%
FHLB stock redemption period	5 years
Number of Reporting Unit Levels	2
Goodwill impairment	$ 0	$ 2,830,000	$ 0
Financing Receivable, Individually Evaluated for Impairment	21,179,000	27,947,000	27,157,000
BOLI single carrier percentage of Tier I capital	15.00%
BOLI CSV percentage of Tier I Capital	25.00%
Commercial Repurchase Agreements Term To Maturity	5 years
Maximum [Member]
Accounting Policy [Line Items]
Finite-Lived Intangible Asset, Useful Life	10 years
Commercial Repurchase Agreements Call Term	24 months
Minimum [Member]
Accounting Policy [Line Items]
Financing Receivable, Individually Evaluated for Impairment	250,000
Finite-Lived Intangible Asset, Useful Life	5 years
Commercial Repurchase Agreements Call Term	6 months
Residential Portfolio Segment [Member]
Accounting Policy [Line Items]
Financing Receivable, Individually Evaluated for Impairment	$ 9,656,000	$ 14,435,000	$ 13,805,000
term to maturity	30 years