v3.26.1
Organization and Summary of Significant Accounting Policies - Loans (Details)
12 Months Ended
Jun. 30, 2026
item
Organization and Summary of Significant Accounting Policies
Number of loan portfolio pools
23
X
- Definition
Represents the number of loan portfolio segments.
+ References
No definition available.
+ Details
Name:
smbc_NumberOfLoanSegments
Namespace Prefix:
smbc_
Data Type:
xbrli:integerItemType
Balance Type:
na
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
smbc_OrganizationAndSummaryOfSignificantAccountingPoliciesAbstract
Namespace Prefix:
smbc_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration