Merger With Madison Bancorp, Inc. (Schedule Of Pro Forma Financial Information) (Details) - Madison Bancorp, Inc. [Member] $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2014 USD ($) $ / shares
Business Acquisition [Line Items]
Net interest income	$ 44,598
Noninterest income	8,246
Net income available to common shareholders	$ 10,972
Pro forma earnings per share: Basic \| $ / shares	$ 1.87
Pro forma earnings per share: Diluted \| $ / shares	$ 1.83

Business Acquisition Pro Forma Net Interest Income

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- Definition

Business Acquisition Pro Forma Noninterest Income

+ References

No definition available.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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