Name:	shbi_FairValueMeasurementWithUnobservableInputsReconciliationNonRecurringBasisAssetBeginningValue
Namespace Prefix:	shbi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The Fair Value, Measurement with Unobservable Inputs Reconciliation, Non Recurring Basis, Asset Changed to Nonaccrual Status level 3 during the period.

No definition available.

Name:	shbi_FairValueMeasurementWithUnobservableInputsReconciliationNonRecurringBasisAssetChangedNonaccrualStatus
Namespace Prefix:	shbi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Writing off impaired financing receivables (Level 3) deemed uncollectible.

No definition available.

Name:	shbi_FairValueMeasurementWithUnobservableInputsReconciliationNonRecurringBasisAssetChangeOff
Namespace Prefix:	shbi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The Fair Value, Measurement with Unobservable Inputs Reconciliation, Nonrecurring Basis, changes in allowance for Asset (Level 3).

No definition available.

Name:	shbi_FairValueMeasurementWithUnobservableInputsReconciliationNonrecurringBasisAssetChangesAllowances
Namespace Prefix:	shbi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is non required for reconciliation purposes of ending balances.

No definition available.

Name:	shbi_FairValueMeasurementWithUnobservableInputsReconciliationNonRecurringBasisAssetEndingValue
Namespace Prefix:	shbi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Settlements that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy.

No definition available.

Name:	shbi_FairValueMeasurementWithUnobservableInputsReconciliationNonRecurringBasisAssetPayments
Namespace Prefix:	shbi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The increase (decrease) of assets measured at fair value on a recurring basis using unobservable inputs (Level 3) which have taken place during the period. Such increase (decrease) may be comprised of changes in fair value (gains or losses) whether realized or unrealized that have been included in earnings, changed net asset value, or other comprehensive income (a separate component of shareholders' equity); purchases, sales, issuances, or settlements of assets; and net transfers in to or out of this category within the fair value hierarchy.

No definition available.

Name:	shbi_FairValueMeasurementWithUnobservableInputsReconciliationNonrecurringBasisAssetPeriodIncreaseDecrease
Namespace Prefix:	shbi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The Fair Value, Measurement with Unobservable Inputs Reconciliation, Non Recurring Basis, Asset Returned To Performing Status (Level 3).

No definition available.

Name:	shbi_FairValueMeasurementWithUnobservableInputsReconciliationNonRecurringBasisAssetReturnToPerformingStatus
Namespace Prefix:	shbi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Transfers into assets measured at fair value and categorized within Level 3 of the fair value hierarchy that have taken place during the period.

No definition available.