Nature of Operations and Summary of Significant Accounting Policies (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014
Nature Of Business And Summary Of Significant Accounting Policies [Line Items]
Uninsured accounts	$ 12.2us-gaap_CashUninsuredAmount
Premises and equipment depreciation method used	straight-line
Money Market Funds [Member]
Nature Of Business And Summary Of Significant Accounting Policies [Line Items]
Uninsured accounts	9.2
Minimum [Member]
Nature Of Business And Summary Of Significant Accounting Policies [Line Items]
Premises and equipment estimated useful lives	3 years
Intangible assets amortization period	5 years
Maximum [Member]
Nature Of Business And Summary Of Significant Accounting Policies [Line Items]
Premises and equipment estimated useful lives	50 years
Intangible assets amortization period	11 years
Federal Reserve Bank of Chicago and Federal Home Loan Bank of Indianapolis
Nature Of Business And Summary Of Significant Accounting Policies [Line Items]
Uninsured accounts	$ 2.2

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The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation.

+ References

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Description of the methodology for computing depreciation for classes of depreciable assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

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