XML 36 R55.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Loans and Allowance for Loan Losses Loans and Allowance for Loan Losses, Purchased Credit Impaired Loans (Details) - Financial Asset Acquired with Credit Deterioration - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Loans and Allowance for Loan Losses - Purchase Credit Impaired [Line Items] |  |  |
Purchased Loans Contractually Required Principal And Interest | $ 4,420,000 | $ 0 | $ 94,312,000
Purchased Loans Cash Flows Expected To Be Collected | 1,883,000 | 0 | 48,498,000
Purchased Credit Impaired Loans Acquisition Date Fair Value | $ 1,883,000 | $ 0 | $ 48,302,000

X
- Definition [Line Items] for Loans and Allowance for Loan Losses - Purchase Credit Impaired [Table] + References No definition available. + Details
Name: | pnfp_LoansandAllowanceforLoanLossesPurchaseCreditImpairedLineItems
Namespace Prefix: | pnfp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Purchased Credit Impaired Loans Acquisition Date Fair Value + References No definition available. + Details
Name: | pnfp_PurchasedCreditImpairedLoansAcquisitionDateFairValue
Namespace Prefix: | pnfp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Purchased Loans Cash Flows Expected To Be Collected + References No definition available. + Details
Name: | pnfp_PurchasedLoansCashFlowsExpectedToBeCollected
Namespace Prefix: | pnfp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Purchased Loans Contractually Required Principal And Interest + References No definition available. + Details
Name: | pnfp_PurchasedLoansContractuallyRequiredPrincipalAndInterest
Namespace Prefix: | pnfp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_CreditLossStatusAxis=us-gaap_FinancialAssetAcquiredWithCreditDeteriorationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |