Proposed Acquisition of Delaware Bancshares, Inc. (Narrative) (Details) - Delaware Bancshares and NBDC Bank Proposed Acquisition [Member] $ / shares in Units, $ in Thousands	Mar. 10, 2016 USD ($) $ / shares shares
Business Acquisition [Line Items]
Business Acquisition, Share Price \| $ / shares	$ 16.68
Business Acquisition, shares exchanged \| shares	0.6221
Business Combination, Contingent Consideration, Asset, Current \| $	$ 615
Maximum [Member]
Business Acquisition [Line Items]
Percent of cash consideration	25.00%
Percent decline in market value resulting in possible termination	20.00%

Number of shares received in the surviving company for each share of the acquiree company's shares.

No definition available.

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- Definition

Percentage decline in market value of common stock in the acquiring company allowed before possible termination of a merger agreement.

+ References

No definition available.

+ Details

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- Definition

Percentage of consideration paid in the form of cash.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

+ Details

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- Definition

Amount of asset recognized arising from contingent consideration in a business combination, expected to be realized within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 35
-Paragraph 1
-Subparagraph b
-URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6411-128476

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- Details

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