v3.26.1
50% OWNED SUBSIDIARY - Narrative (Details)
Jun. 30, 2026
Noncontrolling Interest [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_NoncontrollingInterestAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration