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v3.19.1

Subsequent Event (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Dec. 31, 2018 | Apr. 30, 2019
Business Acquisition [Abstract] |  |  |  |  |
Net sales | [1] | $ 283,766 | $ 261,826 |  |
Pollak business of Stoneridge, Inc. [Member] |  |  |  |  |
Business Acquisition [Abstract] |  |  |  |  |
Net sales |  |  |  | $ 45,000 |
Subsequent Event [Member] | Pollak business of Stoneridge, Inc. [Member] |  |  |  |  |
Business Acquisition [Abstract] |  |  |  |  |
Acquisition of assets and liabilities |  |  |  |  | $ 40,000
[1] | Segment net sales include intersegment sales in our Engine Management and Temperature Control segments.

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