Capital Requirements And Regulatory Agreements (Narrative) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Bank SNB [Member]
Capital to risk weighted assets per agreement	19.83%
Tier one leverage ratio as per agreement	13.62%
Total risk based capital ratio to be well capitalized	10.00%
Tier 1 risk based capital ratio to be well capitalized	6.00%
Leverage ratio	5.00%
Available amount for dividend payment	$ 19.5	$ 65.0
Stillwater National [Member]
Capital to risk weighted assets per agreement		19.55%
Tier one leverage ratio as per agreement		13.14%
Total risk based capital ratio to be well capitalized		10.00%
Tier 1 risk based capital ratio to be well capitalized		6.00%
Leverage ratio		5.00%
Bank Of Kansas [Member]
Capital to risk weighted assets per agreement		18.37%
Tier one leverage ratio as per agreement		10.02%
Total risk based capital ratio to be well capitalized		10.00%
Tier 1 risk based capital ratio to be well capitalized		6.00%
Leverage ratio		5.00%

The amount of dividends that can be declared or paid without affecting the banking or savings institution's regulatory capital position.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(e))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph e

-Article 4

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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=7881181&loc=SL5958568-112826

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Total Capital divided by risk weighted assets as defined in the regulations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 505

-Section 50

-Paragraph 1H

-Subparagraph (c)(2)

-URI http://asc.fasb.org/extlink&oid=7881181&loc=d3e65071-112826

Reference 2: 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=7881181&loc=SL5958568-112826

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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.

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Tier 1 Leverage Capital divided by average assets as defined in the regulations.

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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.

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