v3.26.3
Cost Reduction Measures - Additional Information (Details)
$ in Millions
9 Months Ended
Sep. 30, 2026
USD ($)
Restructuring and Related Activities [Abstract]
Recognized savings in wages and benefits expenses
$ 2.9
X
- Definition
Recognized savings in wages and benefits expenses.
+ References
No definition available.
+ Details
Name:
smhi_RecognizedSavingsInWagesAndBenefitsExpenses
Namespace Prefix:
smhi_
Data Type:
xbrli:monetaryItemType
Balance Type:
credit
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_RestructuringAndRelatedActivitiesAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration