STOCK-BASED COMPENSATION (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Restricted Stock Awards, Vested	$ 245	$ 119
Percentage of After Two Years Grants	50.00%
Percentage of After Three Years Grants	50.00%
Share-based Compensation Arrangement by Share-based Payment Award, Estimated Fair Value of Stock Price	$ 5.39
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term	9 years 2 months 12 days
Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	54,216
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	$ 6.64
Equity Plan 2006 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	631,972
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	507,078
Share-based Compensation Shares Authorized Under Stock Option Plans Expire Period	10 years
Option Plan 1998 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date	May 09, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Options, Terminated Period, Gross	7,125

The percentage of options that vest after three years from date of grant.

No definition available.

Name:	shbi_PercentageOfAfterThreeYearsGrants
Namespace Prefix:	shbi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of options that vest after two years from date of grant.

+ References

No definition available.

+ Details

Name:	shbi_PercentageOfAfterTwoYearsGrants
Namespace Prefix:	shbi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value of stock related to Restricted Stock Awards vested during the period.

+ References

No definition available.

+ Details

Name:	shbi_RestrictedStockAwardsVested
Namespace Prefix:	shbi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Share-based Compensation Arrangement by Share-based Payment Award,estimated fair value of stock price.

+ References

No definition available.

+ Details

Name:	shbi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEstimatedFairValueOfStockPrice
Namespace Prefix:	shbi_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Gross number of share options (or share units) terminated during the period.

+ References

No definition available.

+ Details

Name:	shbi_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsTerminatedPeriodGross
Namespace Prefix:	shbi_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The period of time to exercise share-based compensation shares authorized under stock option plans.

+ References

No definition available.

+ Details

Name:	shbi_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExpirePeriod
Namespace Prefix:	shbi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Date the equity-based award expires, in CCYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Net number of share options (or share units) granted during the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iv)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(d)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance on stock options awarded.

+ References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration