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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual) (USD $) | 12 Months Ended | 1 Months Ended
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Oct. 28, 2013
Significant Accounting Policies [Line Items] |  |  |  |
Advertising Expense | $ 428,000 us-gaap_AdvertisingExpense | $ 848,000 us-gaap_AdvertisingExpense | $ 338,000 us-gaap_AdvertisingExpense |
Excess Capital to Risk Weighted Assets | 12.00%us-gaap_ExcessCapitalToRiskWeightedAssets |  |  |
Tier One Leverage Capital to Average Assets | 10.46%us-gaap_TierOneLeverageCapitalToAverageAssets | 7.03%us-gaap_TierOneLeverageCapitalToAverageAssets |  |
Excess Tier One Leverage Capital to Average Assets | 8.00%us-gaap_ExcessTierOneLeverageCapitalToAverageAssets |  |  |
Capital to Risk Weighted Assets | 16.36%us-gaap_CapitalToRiskWeightedAssets | 11.34%us-gaap_CapitalToRiskWeightedAssets |  |
Maximum [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Finite-Lived Intangible Asset, Useful Life | 21 years |  |  |
Furniture and Fixtures [Member] | Minimum [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Property, Plant and Equipment, Useful Life | 3 years |  |  |
Furniture and Fixtures [Member] | Maximum [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Property, Plant and Equipment, Useful Life | 10 years |  |  |
Computer Equipment [Member] | Minimum [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Property, Plant and Equipment, Useful Life | 3 years |  |  |
Computer Equipment [Member] | Maximum [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Property, Plant and Equipment, Useful Life | 5 years |  |  |
Building and Building Improvements [Member] | Minimum [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Property, Plant and Equipment, Useful Life | 10 years |  |  |
Building and Building Improvements [Member] | Maximum [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Property, Plant and Equipment, Useful Life | 40 years |  |  |
Land Improvements [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Property, Plant and Equipment, Useful Life | 15 years |  |  |
Talbot Bank [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Financing Receivable, Gross |  |  |  | 45,000,000 us-gaap_NotesReceivableGross / dei_LegalEntityAxis = shbi_TalbotBankMember
Proceeds from Sale of Notes Receivable |  |  |  | 25,200,000 us-gaap_ProceedsFromSaleOfNotesReceivable / dei_LegalEntityAxis = shbi_TalbotBankMember
Other Real Estate, Additions |  |  |  | 1,700,000 us-gaap_OtherRealEstateAdditions / dei_LegalEntityAxis = shbi_TalbotBankMember
Cash, FDIC Insured Amount | 750,000 us-gaap_CashFDICInsuredAmount / dei_LegalEntityAxis = shbi_TalbotBankMember |  |  |
Excess Capital to Risk Weighted Assets | 12.00%us-gaap_ExcessCapitalToRiskWeightedAssets / dei_LegalEntityAxis = shbi_TalbotBankMember |  |  |
Tier One Leverage Capital to Average Assets | 8.91%us-gaap_TierOneLeverageCapitalToAverageAssets / dei_LegalEntityAxis = shbi_TalbotBankMember | 4.98%us-gaap_TierOneLeverageCapitalToAverageAssets / dei_LegalEntityAxis = shbi_TalbotBankMember |  |
Excess Tier One Leverage Capital to Average Assets | 8.00%us-gaap_ExcessTierOneLeverageCapitalToAverageAssets / dei_LegalEntityAxis = shbi_TalbotBankMember |  |  |
Capital to Risk Weighted Assets | 14.16%us-gaap_CapitalToRiskWeightedAssets / dei_LegalEntityAxis = shbi_TalbotBankMember | 8.17%us-gaap_CapitalToRiskWeightedAssets / dei_LegalEntityAxis = shbi_TalbotBankMember |  |
Talbot Bank [Member] | Troubled Debt Restructuring [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Financing Receivable, Gross |  |  |  | 30,400,000 us-gaap_NotesReceivableGross / us-gaap_FinancingReceivableTroubledDebtRestructuringAxis = shbi_TroubledDebtRestructuringMember / dei_LegalEntityAxis = shbi_TalbotBankMember
Talbot Bank [Member] | Maximum [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Tier One Leverage Capital to Average Assets | 8.91%us-gaap_TierOneLeverageCapitalToAverageAssets / dei_LegalEntityAxis = shbi_TalbotBankMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |
Capital to Risk Weighted Assets | 14.16%us-gaap_CapitalToRiskWeightedAssets / dei_LegalEntityAxis = shbi_TalbotBankMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |
Talbot Bank [Member] | Nonaccrual Loans [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Financing Receivable, Gross |  |  |  | 11,100,000 us-gaap_NotesReceivableGross / shbi_ImpairedNonaccrualLoansAxis = shbi_NonaccrualLoansMember / dei_LegalEntityAxis = shbi_TalbotBankMember
Talbot Bank [Member] | Performing Financing Receivable [Member] |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |
Financing Receivable, Gross |  |  |  | $ 1,800,000 us-gaap_NotesReceivableGross / us-gaap_InternalCreditAssessmentAxis = us-gaap_PerformingFinancingReceivableMember / dei_LegalEntityAxis = shbi_TalbotBankMember

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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- Definition 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=35709795&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=35709795&loc=SL5958568-112826 + Details
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- Definition The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation. + References No definition available. + Details
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- Definition The amount of excess Total Capital divided by risk weighted assets which are assets that are weighted for credit risk according to a formula used by the Reserve Bank. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958570-112826 + Details
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- Definition The amount of excess Tier 1 Leverage Capital divided by average 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 1 -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. Excludes amounts related to receivables held-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10(3)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 10 -Subparagraph 3 -Article 9 + Details
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- Definition Additions of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This excludes real estate assets taken in settlement of troubled loans through surrender or foreclosure. + References No definition available. + Details
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- Definition The cash inflow associated with the sale of a borrowing supported by a written promise to pay an obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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