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v3.24.1.1.u2

Premises and Equipment - Additional Information (Details) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2024 USD ($) property | Mar. 31, 2023 USD ($) | Mar. 31, 2024 USD ($) property | Mar. 31, 2023 USD ($)
Number of leased properties | property | 13 |  | 13 |
Income recognized from lessor agreements | $ | $ 79,000 | $ 39,000 | $ 212,000 | $ 171,000
Minimum |  |  |  |
Lessee Expected Lease Terms |  |  | P18M |
Maximum |  |  |  |
Lessee Expected Lease Terms |  |  | P20Y |

X
- Definition Represents the monetary amount of Income Recognized From Lessor Agreements, during the indicated time period. + References No definition available. + Details
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- Definition Represents the description of Lessee Expected Lease Terms, during the indicated time period. + References No definition available. + Details
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Namespace Prefix: | smbc_
Data Type: | xbrli:stringItemType
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X
- Definition Number of separate real estate development properties located on land subject to ground leases. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-3 + Details
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Period Type: | instant

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- Details
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- Details
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