XML 84 R68.htm IDEA: XBRL DOCUMENT
v3.20.2

Loans and Allowance for Loan Losses - Excludes performing TDRs of financing receivables, non accrual status (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Jun. 30, 2019
--- | --- | ---
Total Loans |  |
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest | $ 8,657 | $ 21,013
Consumer loans |  |
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest | 196 | 309
Commercial loans |  |
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest | 1,345 | 3,424
Residential Real Estate |  |
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest | 4,010 | 6,404
Commercial |  |
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest | $ 3,106 | $ 10,876

X
- Definition Reflects the carrying amount of loans deemed to be questionable as to collection on which no interest is continuing to be recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5111-111524 + Details
Name: | us-gaap_LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=smbc_TotalLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ConsumerLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CommercialLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_ResidentialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |