XML 73 R57.htm IDEA: XBRL DOCUMENT v3.25.2

COMMITMENTS AND CONTINGENCIES (Details)	Jun. 30, 2025
Commitments and Contingencies Disclosure [Abstract]
Ownership interest in subsidiaries	50.00%

X

- Definition

Consolidated Entities, Ownership Percentage

+ References

No definition available.

+ Details

Name:	strl_ConsolidatedEntitiesOwnershipPercentage
Namespace Prefix:	strl_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration