Loans and Allowance for Credit Losses (Details Textual) (Residential Real Estate [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2015
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable Net Reported Amount Additions	$ 27

Amount of additions in loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

No definition available.

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