Summary of Significant Accounting Policies, Derivative Financial Instruments (Details) - Maximum [Member]	12 Months Ended
Dec. 31, 2022
Derivative Financial Instruments [Abstract]
Number of months for contracts to mature	18 months
Forward Exchange Contracts [Member]
Derivative Financial Instruments [Abstract]
Number of months for contracts to mature	18 months

Number of months for contracts to mature in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	sxt_NumberOfMonthsForContractsToMature
Namespace Prefix:	sxt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration