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Segment Information - Summary of Company's Reportable Segments (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Net sales |  |  |  |  |
Net sales | $ 99,239 | $ 88,299 | $ 281,320 | $ 250,202 |
Income taxes |  |  |  |  |
Income taxes | 3,461 | 1,792 | 6,163 | 3,809 |
Net income (loss) |  |  |  |  |
Net income (loss) | 6,278 | 4,742 | 11,952 | 10,154 |
Assets |  |  |  |  |
Total identifiable assets | 362,625 |  | 362,625 |  | $ 340,937
PLP-USA [Member] |  |  |  |  |
Assets |  |  |  |  |
Total identifiable assets | 122,298 |  | 122,298 |  | 122,326
The Americas [Member] |  |  |  |  |
Assets |  |  |  |  |
Total identifiable assets | 71,895 |  | 71,895 |  | 63,643
EMEA [Member] |  |  |  |  |
Assets |  |  |  |  |
Total identifiable assets | 57,712 |  | 57,712 |  | 54,493
Asia-Pacific [Member] |  |  |  |  |
Assets |  |  |  |  |
Total identifiable assets | 110,720 |  | 110,720 |  | $ 100,475
Operating Segments [Member] | PLP-USA [Member] |  |  |  |  |
Net sales |  |  |  |  |
Net sales | 40,181 | 35,287 | 113,130 | 104,117 |
Income taxes |  |  |  |  |
Income taxes | 1,666 | 327 | 1,706 | 433 |
Net income (loss) |  |  |  |  |
Net income (loss) | 1,918 | 1,967 | 2,235 | 1,809 |
Operating Segments [Member] | The Americas [Member] |  |  |  |  |
Net sales |  |  |  |  |
Net sales | 18,425 | 16,790 | 51,821 | 43,761 |
Income taxes |  |  |  |  |
Income taxes | 1,117 | 775 | 2,632 | 2,015 |
Net income (loss) |  |  |  |  |
Net income (loss) | 2,250 | 1,777 | 5,825 | 3,965 |
Operating Segments [Member] | EMEA [Member] |  |  |  |  |
Net sales |  |  |  |  |
Net sales | 15,190 | 15,239 | 46,620 | 43,815 |
Income taxes |  |  |  |  |
Income taxes | 531 | 365 | 1,109 | 1,545 |
Net income (loss) |  |  |  |  |
Net income (loss) | 1,259 | 1,314 | 2,547 | 4,944 |
Operating Segments [Member] | Asia-Pacific [Member] |  |  |  |  |
Net sales |  |  |  |  |
Net sales | 25,443 | 20,983 | 69,749 | 58,509 |
Income taxes |  |  |  |  |
Income taxes | 147 | 325 | 716 | (184) |
Net income (loss) |  |  |  |  |
Net income (loss) | 851 | (316) | 1,345 | (564) |
Intersegment Eliminations [Member] |  |  |  |  |
Intersegment sales |  |  |  |  |
Intersegment sales | 5,910 | 6,040 | 19,772 | 17,499 |
Intersegment Eliminations [Member] | PLP-USA [Member] |  |  |  |  |
Intersegment sales |  |  |  |  |
Intersegment sales | 2,458 | 2,647 | 8,476 | 6,825 |
Intersegment Eliminations [Member] | The Americas [Member] |  |  |  |  |
Intersegment sales |  |  |  |  |
Intersegment sales | 1,284 | 1,460 | 3,992 | 4,026 |
Intersegment Eliminations [Member] | EMEA [Member] |  |  |  |  |
Intersegment sales |  |  |  |  |
Intersegment sales | 266 | 160 | 866 | 816 |
Intersegment Eliminations [Member] | Asia-Pacific [Member] |  |  |  |  |
Intersegment sales |  |  |  |  |
Intersegment sales | $ 1,902 | $ 1,773 | $ 6,438 | $ 5,832 |

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