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v3.22.1

Commitments and Contingencies (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2020
Commitments and Contingencies [Abstract] |  |
Term in which decision becomes final after issuance | 30 days |
Number of days available for Agar to file petition | 10 days |
Employee working period in SNI |  | 5 months

X
- Definition Refers to the employees employment period in organization in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | sxt_EmployeesEmploymentPeriod
Namespace Prefix: | sxt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Refers to number of days available to file a petition in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | sxt_NumberOfDaysAvailableToFilePetition
Namespace Prefix: | sxt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Refers to number of days the Court of Appeal's decision becomes final after issuance in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | sxt_TermInWhichDecisionBecomesFinalAfterIssuance
Namespace Prefix: | sxt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration