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v3.20.4

Revenue from Contracts with Customers Summary of Sales to External Customer by Operating Segment (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disaggregation of Revenue [Line Items] |  |  |
Net sales | $ 427,534 | $ 489,514 | $ 524,194
United States and Puerto Rico |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 268,551 | 319,055 | 343,914
China |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 52,005 | 45,515 | 49,147
Brazil |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 27,744 | 36,358 | 35,529
Mexico |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 29,865 | 32,304 | 39,307
Germany |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 6,224 | 6,437 | 5,678
Poland |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 4,927 | 6,378 | 7,023
Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 38,218 | 43,467 | 43,596
Operating Segments | Mobile Solutions |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 256,360 | 297,749 | 335,037
Operating Segments | Mobile Solutions | United States and Puerto Rico |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 129,147 | 162,445 | 187,178
Operating Segments | Mobile Solutions | China |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 46,442 | 38,793 | 43,610
Operating Segments | Mobile Solutions | Brazil |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 27,055 | 36,058 | 35,314
Operating Segments | Mobile Solutions | Mexico |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 16,465 | 18,815 | 27,053
Operating Segments | Mobile Solutions | Germany |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 5,846 | 6,372 | 5,652
Operating Segments | Mobile Solutions | Poland |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 4,913 | 6,363 | 7,010
Operating Segments | Mobile Solutions | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 26,492 | 28,903 | 29,220
Operating Segments | Power Solutions |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 171,269 | 192,100 | 189,778
Operating Segments | Power Solutions | United States and Puerto Rico |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 139,499 | 156,945 | 157,357
Operating Segments | Power Solutions | China |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 5,563 | 6,722 | 5,537
Operating Segments | Power Solutions | Brazil |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 689 | 300 | 215
Operating Segments | Power Solutions | Mexico |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 13,400 | 13,489 | 12,254
Operating Segments | Power Solutions | Germany |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 378 | 65 | 26
Operating Segments | Power Solutions | Poland |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 14 | 15 | 13
Operating Segments | Power Solutions | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 11,726 | 14,564 | 14,376
Intersegment Sales Eliminations |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | (95) | (335) | (621)
Intersegment Sales Eliminations | United States and Puerto Rico |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | (95) | (335) | (621)
Intersegment Sales Eliminations | China |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Intersegment Sales Eliminations | Brazil |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Intersegment Sales Eliminations | Mexico |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Intersegment Sales Eliminations | Germany |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Intersegment Sales Eliminations | Poland |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | 0 | 0 | 0
Intersegment Sales Eliminations | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net sales | $ 0 | $ 0 | $ 0

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