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Stock repurchased and retired during period percentage.

+ References

No definition available.

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- Definition

Transition Period

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No definition available.

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- Definition

Undistributed earnings of bank subsidiaries.

+ References

No definition available.

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.18)

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-Name Accounting Standards Codification

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-Publisher SEC

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-Number 210

-Section 03

-Paragraph 12

-Article 7

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 18

-Article 5

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- Definition

The Total risk based capital ratio (total capital divided by risk weighted assets) required to be categorized as "well capitalized", in the regulatory framework for prompt corrective action.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 505

-Section 50

-Paragraph 1

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826

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- Definition

Number of shares that have been repurchased and retired during the period.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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

-Publisher FASB

-Name Accounting Standards Codification

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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- Definition

The amount of Tier 1 Leverage Capital required to be categorized as well capitalized divided by average assets as defined in the regulatory framework for prompt corrective action.

+ References

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The Tier 1 capital ratio (Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action.

+ References

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Shareholder's Equity - Additional Information (Detail) (USD $)	0 Months Ended	12 Months Ended
	Feb. 25, 2009	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Statement Of Shareholders Equity [Line Items]
Undistributed earnings of bank subsidiary		$ 15,403,607
Stock repurchased and retired during period percentage	3.00%
Retirement of stock, Shares		47,756
Total risk-based capital ratio		10.00%
Tier 1 risk-based capital ratio		6.00%
Leverage capital ratio		5.00%
Total assets		668,895,000us-gaap_Assets	762,264,000us-gaap_Assets	804,912,000us-gaap_Assets
Basel Committee On Banking Supervision [Member]
Statement Of Shareholders Equity [Line Items]
Final rule, transition period		5 years
Basel Committee On Banking Supervision [Member] \| Minimum [Member]
Statement Of Shareholders Equity [Line Items]
Total assets		$ 500,000,000