Quarterly report pursuant to Section 13 or 15(d)

Yageo Merger (Details)

v3.19.3.a.u2
Yageo Merger (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Jul. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Nov. 11, 2019
Jul. 01, 2019
Business Acquisition [Line Items]              
Payments to Acquire Businesses, Net of Cash Acquired       $ 1,294 $ 0    
Equity income (loss) from equity method investments   $ (59) $ (296) $ 163 $ (301)    
Novasentis [Member]              
Business Acquisition [Line Items]              
Business Acquisition, Percentage of Voting Interests Acquired             72.10%
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage             27.90%
Business Combination, Consideration Transferred $ 2,700            
KEMET Corporation [Member]              
Business Acquisition [Line Items]              
Business Acquisition, Share Price           $ 27.20  
KEMET Corporation [Member] | KEMET Corporation [Member]              
Business Acquisition [Line Items]              
Business Combination, Contingent Consideration, Termination Fee           $ 63,800  
Failure to Obtain Regulatory Approval [Member] | Yageo [Member] | KEMET Corporation [Member]              
Business Acquisition [Line Items]              
Business Combination, Contingent Consideration, Asset, Termination Fee Receivable           65,400  
Failure to Obtain Shareholder Approval [Member] | Yageo [Member] | KEMET Corporation [Member]              
Business Acquisition [Line Items]              
Business Combination, Contingent Consideration, Asset, Termination Fee Receivable           49,100  
Failure to Obtain Financing [Member] | Yageo [Member] | KEMET Corporation [Member]              
Business Acquisition [Line Items]              
Business Combination, Contingent Consideration, Asset, Termination Fee Receivable           $ 63,800