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Segment Information - Summary of Depreciation and Amortization (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Segment Reporting Information [Line Items] |  |  |  |
Total depreciation and amortization | $ 6,006 | $ 5,385 | $ 17,259 | $ 16,413
PLP-USA |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total depreciation and amortization | 3,338 | 2,973 | 9,596 | 8,687
The Americas |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total depreciation and amortization | 915 | 799 | 2,600 | 3,002
EMEA |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total depreciation and amortization | 1,003 | 869 | 2,841 | 2,532
Asia-Pacific |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total depreciation and amortization | $ 750 | $ 744 | $ 2,222 | $ 2,192

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- Definition Deprecation, Depletion And Amortization, Including Foreign Exchange + References No definition available. + Details
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Namespace Prefix: | plpc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Details
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Namespace Prefix: |
Data Type: | na
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Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
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Period Type: |

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- Details
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Namespace Prefix: |
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Period Type: |