Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Goodwill and Other Intangibles [Abstract]
Aggregate Amortization Expense Included In Continued Operations	$ 144	$ 162

Aggregate Amortization Expense Included In Continued Operations

No definition available.

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