Name:	cts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentOtherthanOptionsAttainedbyPerformance
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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instrument Other than Options, Attained by Performance, Weighted Average Grant Date Fair Value

No definition available.

Name:	cts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentOtherthanOptionsAttainedbyPerformanceWeightedAverageGrantDateFairValue
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Data Type:	dtr-types:perShareItemType
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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instrument Other than Options, Maximum Potential Outstanding

No definition available.

Name:	cts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentOtherthanOptionsMaximumPotentialOutstanding
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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instrument Other than Options, Maximum Potential Outstanding, Weighted Average Grant Date Fair Value

No definition available.

Name:	cts_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentOtherthanOptionsMaximumPotentialOutstandingWeightedAverageGrantDateFairValue
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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward
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Data Type:	xbrli:stringItemType
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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
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Data Type:	dtr-types:perShareItemType
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward
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Data Type:	xbrli:stringItemType
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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
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Data Type:	dtr-types:perShareItemType
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Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event.

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Data Type:	xbrli:sharesItemType
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Period Type:	duration

Net number of non-option equity instruments granted to participants.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
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Period Type:	duration

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901