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Subsequent Events - Schedule of Sublease Rent (Details)	Jun. 16, 2026 USD ($) $ / shares
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

X

- 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

X

- References

No definition available.

+ Details

Name:	sti_ScheduleOfSubleaseRentLineItems
Namespace Prefix:	sti_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- 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

X

- 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

X

- Details

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

X

- Details

Name:	us-gaap_LeaseContractualTermAxis=sti_SubleaseTwoThousandTwentySixPeriodMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LeaseContractualTermAxis=sti_SubleaseTwoThousandTwentySevenPeriodMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LeaseContractualTermAxis=sti_SubleaseTwoThousandTwentyEightPeriodMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LeaseContractualTermAxis=sti_SubleaseTwoThousandTwentyNinePeriodMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: