SIGNIFICANT ACCOUNTING POLICIES (Schedule of Annual Depreciation Rates) (Details)	12 Months Ended
Dec. 31, 2025
Buildings [Member]
Property, Plant and Equipment [Line Items]
Annual depreciation rate, minimum	3.00%
Annual depreciation rate, maximum	4.00%
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Annual depreciation rate, minimum	10.00%
Annual depreciation rate, maximum	33.00%
Annual depreciation rate, mainly	10.00%
Motor Vehicles [Member]
Property, Plant and Equipment [Line Items]
Annual depreciation rate, minimum	15.00%
Annual depreciation rate, maximum	20.00%
Promotional displays [Member]
Property, Plant and Equipment [Line Items]
Annual depreciation rate, minimum	10.00%
Annual depreciation rate, maximum	25.00%
Office furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Annual depreciation rate, minimum	20.00%
Annual depreciation rate, maximum	33.00%
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets	By the shorter of the term of the lease or the useful life of the assets

Represents information about estimated useful lives of the assets.

No definition available.

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Namespace Prefix:	snt_
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Balance Type:	na
Period Type:	duration

- Definition

The annual rate at which property, plant, and equipment is depreciated.

+ References

No definition available.

+ Details

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Namespace Prefix:	snt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The maximum annual rate at which property, plant, and equipment is depreciated.

+ References

No definition available.

+ Details

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Namespace Prefix:	snt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The minimum annual rate at which property, plant, and equipment is depreciated.

+ References

No definition available.

+ Details

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Namespace Prefix:	snt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A

+ Details

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Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MachineryAndEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_VehiclesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=snt_PromotionalDisplaysMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_OfficeEquipmentMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Balance Type:
Period Type: