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Related Party Transactions (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Law Firm With Common Partner [Member] |  |
Lease rent payment | $ 305 | $ 50

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- Definition Amount of cash inflow from lease payment, classified as operating activity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 45 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=123420820&loc=SL77919320-209978 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 45 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=123420820&loc=SL77919327-209978 + Details
Name: | us-gaap_ProceedsFromLeasePayments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=shbi_LawFirmWithCommonPartnerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |