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CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) (Parenthetical) $ in Millions | 3 Months Ended
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Mar. 31, 2024 USD ($)
Income Statement [Abstract] |
Credit card fraud losses | $ 4.3

X
- Definition Fraud Losses, Credit Card + References No definition available. + Details
Name: | shbi_FraudLossesCreditCard
Namespace Prefix: | shbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_IncomeStatementAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration