COMMITMENTS AND CONTINGENCIES - Narrative (Details) $ in Millions	Jun. 30, 2021 USD ($)
Leases [Abstract]
Performance bonds outstanding covering financial assurance	$ 1.3

Line item refers to performance bonds outstanding covering financial assurance.

No definition available.

Name:	smed_PerformanceBondsOutstandingMaximumFinancialAssurance
Namespace Prefix:	smed_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant