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Equity-Based Compensation - Summary of Equity-Based Compensation Expense related to Non-Vested RSUs (Details 3) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Service Based Restricted Stock Units [Member]  
Equity-Based Compensation  
Unrecognized compensation cost $ 1,106us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= cts_ServiceBasedRestrictedStockUnitsMember
Weighted average period 1 year 3 months 18 days
Performance Based Restricted Stock Units [Member]  
Equity-Based Compensation  
Unrecognized compensation cost 875us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= cts_PerformanceBasedRestrictedStockUnitsMember
Weighted average period 1 year 4 months 24 days
Market Based Restricted Stock Units [Member]  
Equity-Based Compensation  
Unrecognized compensation cost 634us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= cts_MarketBasedRestrictedStockUnitsMember
Weighted average period 1 year 3 months 18 days
RSUs [Member]  
Equity-Based Compensation  
Unrecognized compensation cost $ 2,615us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember