XML 69 R57.htm IDEA: XBRL DOCUMENT
v3.25.4

Loans and Allowance for Loan Losses - Narrative (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans | $ 44,625,627,000 | $ 42,609,028,000 |  |
Land held for future development, period | 1 year |  |  |
Reclassification to held-for-sale | $ 0 | 0 |  |
Financing receivable, allowance for credit loss | 477,934,000 | 486,845,000 | $ 479,385,000 | $ 443,424,000
Reserve for unfunded commitments | 51,500,000 | 52,500,000 |  |
All financing receivable, allowance for credit loss | 529,500,000 | 539,300,000 |  |
ACL increase (decrease) | $ (9,800,000) |  |  |
ACL to loans ratio (as percent) | 1.19% |  |  |
Increase (decrease) in ACL to loans ratio | (0.0008) |  |  |
Allowance for credit loss, reasonable and supportable forecast period | 2 years |  |  |
Allowance for credit loss, straight-line basis historical period | 1 year |  |  |
Material FDMs subsequently defaulted | $ 0 | 3,200,000 |  |
Commitments to lend additional funds to TDRs | 0 | 0 |  |
Consumer |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Reclassification to held-for-sale |  |  | 1,590,000,000 |
Charge-off of previously established reserves for credit losses associated with the transfer to held for sale |  |  | 31,300,000 |
Financing receivable, allowance for credit loss | $ 146,464,000 | 142,299,000 | $ 126,657,000 | $ 138,299,000
Substandard |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Retail loan substandard period (in days) | 90 days |  |  |
Loss | Minimum |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Retail loan charge off (in days) | 120 days |  |  |
Loss | Maximum |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Retail loan charge off (in days) | 180 days |  |  |
Asset Pledged as Collateral |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans | $ 12,830,000,000 | $ 24,660,000,000 |  |

X
- Definition ACL To Loans Ratio + References No definition available. + Details
Name: | pnfp_ACLToLoansRatio
Namespace Prefix: | pnfp_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition All Financing Receivable, Allowance For Credit Loss + References No definition available. + Details
Name: | pnfp_AllFinancingReceivableAllowanceForCreditLoss
Namespace Prefix: | pnfp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Commitments To Lend Additional Funds To TDRs + References No definition available. + Details
Name: | pnfp_CommitmentsToLendAdditionalFundsToTDRs
Namespace Prefix: | pnfp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Financing Receivable Allowance For Credit Loss Reasonable And Supportable Forecast Period + References No definition available. + Details
Name: | pnfp_FinancingReceivableAllowanceForCreditLossReasonableAndSupportableForecastPeriod
Namespace Prefix: | pnfp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing Receivable Allowance For Credit Loss Straight Line Basis Historical Period + References No definition available. + Details
Name: | pnfp_FinancingReceivableAllowanceForCreditLossStraightLineBasisHistoricalPeriod
Namespace Prefix: | pnfp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Increase (Decrease) In ACL To Loans Ratio + References No definition available. + Details
Name: | pnfp_IncreaseDecreaseInACLToLoansRatio
Namespace Prefix: | pnfp_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Land Held For Future Development, Period + References No definition available. + Details
Name: | pnfp_LandHeldForFutureDevelopmentPeriod
Namespace Prefix: | pnfp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reserve For Unfunded Commitments + References No definition available. + Details
Name: | pnfp_ReserveForUnfundedCommitments
Namespace Prefix: | pnfp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Delinquency status upon which a retail loan will be charged off in its entirety. + References No definition available. + Details
Name: | pnfp_RetailLoanChargeOff
Namespace Prefix: | pnfp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Delinquency status upon which a retail loan is downgraded to substandard + References No definition available. + Details
Name: | pnfp_RetailLoanDowngradedToSubstandard
Namespace Prefix: | pnfp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- 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 Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 20 -Name Accounting Standards Codification -Section 40 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481628/310-20-40-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-2 + Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of increase (decrease) in allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossPeriodIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount excluding accrued interest, of financing receivable reclassified to held-for-sale. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-11 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestReclassificationToHeldForSale
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of reversal of credit loss expense on financing receivable transferred out of held-for-investment into held-for-sale classification. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 948 -SubTopic 310 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477011/948-310-45-2 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestTransferToHeldForSaleAllowanceForCreditLossExpenseReversal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amortized cost of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 34 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-34 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 44 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-44 + Details
Name: | us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ExternalCreditRatingByGroupingAxis=us-gaap_SubstandardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ExternalCreditRatingByGroupingAxis=pnfp_LossMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PledgedStatusAxis=us-gaap_AssetPledgedAsCollateralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |