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v3.25.3

Goodwill and other intangibles - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Goodwill and other intangibles |  |  |  |
Accumulated amortization on intangible assets | $ 1.5 | $ 1.7 | $ 4.9 | $ 1.7

X
- Definition Accumulated amount of amortization of assets. + References No definition available. + Details
Name: | pfis_FiniteLivedIntangibleAssetAccumulatedAmortization
Namespace Prefix: | pfis_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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