Stock-Based Compensation - Summary of Status of Plans (Details)	9 Months Ended
Sep. 30, 2023 shares
2018 Plan
Summary of Status of Equity-Based Compensation Plans
Awards originally available	2,500,000
Maximum potential awards outstanding	785,582
RSUs and cash settled awards vested and released	443,106
Awards available for grant	1,271,312
2014 Plan
Summary of Status of Equity-Based Compensation Plans
Awards originally available	1,500,000
Maximum potential awards outstanding	35,100
2009 Plan
Summary of Status of Equity-Based Compensation Plans
Awards originally available	3,400,000
Maximum potential awards outstanding	30,000
2004 Plan
Summary of Status of Equity-Based Compensation Plans
Awards originally available	6,500,000
Maximum potential awards outstanding	14,545
Directors' Plan
Summary of Status of Equity-Based Compensation Plans
Maximum potential awards outstanding	4,722

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Released Life-to-Date

No definition available.

Name:	cts_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsReleasedLifetoDate
Namespace Prefix:	cts_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Share based compensation arrangement by share based payment award number of shares originally available.

+ References

No definition available.

+ Details

Name:	cts_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesOriginallyAvailable
Namespace Prefix:	cts_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

+ Details

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

- Details

Name:	us-gaap_PlanNameAxis=cts_A2018PlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=cts_TwoThousandFourteenPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=cts_TwoThousandNinePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=cts_TwoThousandFourPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=cts_DirectorsPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: