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            <endDate>2025-08-27</endDate>
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    <context id="c20250827to20250827_StatementClassOfStockAxis_DepositarySharesEachRepresentingA140thInterestInAShareOf675FixedRateNonCumulativePerpetualPreferredStockSeriesBMember">
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        <period>
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            <endDate>2025-08-27</endDate>
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    </context>
    <dei:AmendmentFlag
      contextRef="c20250827to20250827"
      id="Fact_d1023049f934488382eca410d0454271">false</dei:AmendmentFlag>
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      contextRef="c20250827to20250827"
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    <dei:EntityRegistrantName
      contextRef="c20250827to20250827"
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    <dei:EntityIncorporationStateCountryCode
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    <dei:EntityTaxIdentificationNumber
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    <dei:EntityAddressAddressLine1
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    <dei:EntityAddressAddressLine2
      contextRef="c20250827to20250827"
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      id="Fact_13e6f3820910445da57963c068ec50c7">Nashville</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="c20250827to20250827"
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    <dei:CityAreaCode
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    <dei:PreCommencementTenderOffer
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      contextRef="c20250827to20250827"
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      contextRef="c20250827to20250827_StatementClassOfStockAxis_CommonStockMember"
      id="Fact_f5639d3f6b8a4e1b83598500e5f9154b">PNFP</dei:TradingSymbol>
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      contextRef="c20250827to20250827_StatementClassOfStockAxis_DepositarySharesEachRepresentingA140thInterestInAShareOf675FixedRateNonCumulativePerpetualPreferredStockSeriesBMember"
      id="Fact_d88d6752189e44df98b2b7fd000a6772">Depositary Shares (each representing a 1/40th interest in a share of 6.75% Fixed-Rate Non-Cumulative Perpetual Preferred Stock, Series B)</dei:Security12bTitle>
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      contextRef="c20250827to20250827_StatementClassOfStockAxis_DepositarySharesEachRepresentingA140thInterestInAShareOf675FixedRateNonCumulativePerpetualPreferredStockSeriesBMember"
      id="Fact_40191615cd2f4d41aa383853fb11511d">PNFPP</dei:TradingSymbol>
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      contextRef="c20250827to20250827"
      id="Fact_beb9151a3a9f4bf2b448d9cefea0dd57">false</dei:EntityEmergingGrowthCompany>
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