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Goodwill and Other Intangible Assets - Additional Information (Details) - Sensor Scientific, Inc. $ in Thousands | 3 Months Ended
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Jun. 30, 2021 USD ($)
Goodwill [Line Items] |
Acquisition, purchase price | $ 510
Acquisition, purchase price paid during the period | 255
Acquisition, purchase price to be paid in the second quarter of 2022 | $ 255

X
- Definition Goodwill purchase price. + References No definition available. + Details
Name: | cts_GoodwillPurchasePrice
Namespace Prefix: | cts_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Goodwill purchase price paid during the period. + References No definition available. + Details
Name: | cts_GoodwillPurchasePricePaidDuringThePeriod
Namespace Prefix: | cts_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Goodwill purchase price to be paid. + References No definition available. + Details
Name: | cts_GoodwillPurchasePriceToBePaid
Namespace Prefix: | cts_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=cts_SensorScientificIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |