v3.26.1
LEASES - Narrative (Details)
3 Months Ended
Mar. 31, 2026
lease
Leases [Abstract]
Number of leased branch locations and office space along with equipment
30
X
- Definition
Number of leased branch locations and office space along with equipment.
+ References
No definition available.
+ Details
Name:
stel_NumberOfLeasedBranchLocationsAndOfficeSpaceAlongWithEquipment
Namespace Prefix:
stel_
Data Type:
xbrli:decimalItemType
Balance Type:
na
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_LeasesAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration