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Property, Plant and Equipment, net - Summary of Property, Plant and Equipment, Net (Parenthetical) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2026 USD ($)
Property, Plant and Equipment [Abstract]
Platinum depleted	$ 2,646

X

- Definition

platinum depleted.

+ References

No definition available.

+ Details

Name:	cts_PlatinumDepleted
Namespace Prefix:	cts_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration