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Subsequent Events - Schedule of Sublease Rent (Details) | Jun. 16, 2026 USD ($) $ / shares
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7/1/26 – 11/30/26 [Member] |
Schedule of Sublease Rent [Line Items] |
Annual Rate | $ / shares | $ 33.83
Monthly Base Rent | $ | $ 10,617
Lease Year | 1 year
12/1/26 – 11/30/27 [Member] |
Schedule of Sublease Rent [Line Items] |
Annual Rate | $ / shares | $ 34.68
Monthly Base Rent | $ | $ 10,884
Lease Year | 2 years
12/1/27 – 11/30/28 [Member] |
Schedule of Sublease Rent [Line Items] |
Annual Rate | $ / shares | $ 35.55
Monthly Base Rent | $ | $ 11,157
Lease Year | 3 years
12/1/28 – 11/30/29 [Member] |
Schedule of Sublease Rent [Line Items] |
Annual Rate | $ / shares | $ 36.44
Monthly Base Rent | $ | $ 11,436
Lease Year | 4 years
12/1/29 – 11/30/30 [Member] |
Schedule of Sublease Rent [Line Items] |
Annual Rate | $ / shares | $ 37.35
Monthly Base Rent | $ | $ 11,722
Lease Year | 5 years

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- Definition The total amount of sublease rental income recognized during the period that reduces the entity's rent expense incurred under leases. + References No definition available. + Details
Name: | sti_LeasesRentExpenseSubleaseRentals
Namespace Prefix: | sti_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
Name: | sti_ScheduleOfSubleaseRentLineItems
Namespace Prefix: | sti_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Rental expense for the reporting period incurred under per share. + References No definition available. + Details
Name: | sti_SubleaseAnnualRate
Namespace Prefix: | sti_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

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- Definition Term of lessee's finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-3 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | us-gaap_LeaseContractualTermAxis=sti_SubleaseFiveMonthPeriodMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |