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Significant Accounting Policies Significant Accounting Policies - Additional Information (Details) - WNB Bancshares, Inc. [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2014	Dec. 31, 2014
Effect on net income attributable to parent purchase accounting adjustment	$ 234	$ 234
Effect on earnings per share, basic, purchase accounting adjustment	$ 0.01	$ 0.01
Earnings Per Share, Diluted	$ 0.01
Property, Plant and Equipment [Member]
Goodwill, Purchase Accounting Adjustments		$ (777)	$ (718)
Goodwill [Member]
Goodwill, Purchase Accounting Adjustments		5,600	$ 718
Finite-Lived Intangible Assets [Member]
Goodwill, Purchase Accounting Adjustments		(1,500)
Loans [Member]
Goodwill, Purchase Accounting Adjustments		(2,000)
Shareholders' Equity [Member]
Goodwill, Purchase Accounting Adjustments		$ 911

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- Definition

Effect on earnings per share, basic, purchase accounting adjustment

+ References

No definition available.

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- Definition

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+ References

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- Definition

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+ References

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- Definition

Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 805



-SubTopic 10



-Section 25



-Paragraph 16



-URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e961-128460



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 350



-SubTopic 20



-Section 50



-Paragraph 1



-Subparagraph (g)



-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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