Securities, Additional Information (Details) (USD $)	12 Months Ended
Dec. 31, 2014 Securities	Dec. 31, 2013
Securities [Abstract]
Restricted equity securities	$ 618,109us-gaap_RestrictedInvestments	$ 676,799us-gaap_RestrictedInvestments
Gross realized gains (losses) from the sales of investment securities	(1,670)	9,206
Number of securities in portfolio	2
Unrealized losses for portfolio for the period, description	greater than 12 months
Sale of investment securities	$ 131,403	$ 63,937

Available for sale securities continuous unrealized loss position longer than twelve months number of securities.

No definition available.

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Namespace Prefix:	sryb_
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- Definition

This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 9

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

The total amount of proceeds received for the sale of securities, categorized neither as held-to-maturity nor trading securities, during the reporting period.

+ References

+ Details

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- Definition

Disclosure regarding factors used to determine that the impairment of securities not categorized as either held-to-maturity securities or trading securities (hence equal to available for sale securities) where cost exceeds fair value is not an other than temporary impairment (OTTI). This item contains disclosure of the severity and duration of the temporary impairment of the available-for-sale investments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 6

-Subparagraph (b)(4)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563

+ Details

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- Details

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- Definition

Investments which are not defined as or included in marketable (debt, equity, or other) securities whose use is restricted in whole or in part, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant