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v3.22.2.2

Restricted Cash (Narrative) (Details) $ in Thousands | Mar. 31, 2021 USD ($)
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Cash and Cash Equivalents [Abstract] |
Restricted cash released | $ 2,127

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- Definition Restricted Cash Released + References No definition available. + Details
Name: | ipgp_RestrictedCashReleased
Namespace Prefix: | ipgp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_CashAndCashEquivalentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration