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