XML 99 R84.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Employee Benefits - 2008 Equity Incentive Plan (Details) - USD ($) |  |  | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2017 | Jun. 30, 2012 | Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2020
Equity Incentive Plan Description |  |  | The Company adopted an Equity Incentive Plan (the EIP) in 2008, reserving for award 132,000 shares (split-adjusted). EIP shares were available for award to directors, officers, and employees of the Company and its affiliates by a committee of outside directors. |  |
Equity Incentive Plan Shares reserved |  |  | 132,000 |  |
Restricted Stock |  |  |  |  |
Equity Incentive Plan Shares Awarded | 0 | 122,803 |  |  |
Equity Incentive Plan vesting percentage |  |  | 20.00% |  |
Equity Incentive Plan Shares Vested |  |  | 2,250 | 2,700 | 2,825
Equity Incentive Plan Expense |  |  | $ 46,000 | $ 84,000 | $ 88,000
Equity Incentive Plan Remained Outstanding |  |  | 0 |  |
Equity Incentive Plan Unvested Compensation Expense |  |  | $ 0 |  |
Performance-based restricted stock |  |  |  |  |
Equity Incentive Plan vesting percentage |  |  | 20.00% |  |

X
- Definition Represents the description of Equity Incentive Plan Description, during the indicated time period. + References No definition available. + Details
Name: | smbc_EquityIncentivePlanDescription
Namespace Prefix: | smbc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the monetary amount of Equity Incentive Plan Expense, during the indicated time period. + References No definition available. + Details
Name: | smbc_EquityIncentivePlanExpense
Namespace Prefix: | smbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the monetary amount of Equity Incentive Plan Remained Outstanding, during the indicated time period. + References No definition available. + Details
Name: | smbc_EquityIncentivePlanRemainedOutstanding
Namespace Prefix: | smbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the Equity Incentive Plan Shares Awarded (number of shares), during the indicated time period. + References No definition available. + Details
Name: | smbc_EquityIncentivePlanSharesAwarded
Namespace Prefix: | smbc_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the Equity Incentive Plan Shares Vested (number of shares), during the indicated time period. + References No definition available. + Details
Name: | smbc_EquityIncentivePlanSharesVested
Namespace Prefix: | smbc_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the monetary amount of Equity Incentive Plan Unvested Compensation Expense, during the indicated time period. + References No definition available. + Details
Name: | smbc_EquityIncentivePlanUnvestedCompensationExpense
Namespace Prefix: | smbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of vesting of award under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=smbc_PerformanceBasedRestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |