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Refers to percentage of loan portfolio analyzed as commercial loan type with a specifically assigned risk rating in the allowance for loan loss assessment.

No definition available.

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Represents performing loans which possess certain weaknesses that cause management to have serious doubts as to the ability of such borrowers to comply with the present loan repayment terms and which may result in the future disclosure of such loans as either nonaccrual, 90 days or more past due, or a troubled debt restructuring.

No definition available.

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The amount of risk rated loans that are subject to continual review by the loan officer at the end of the period,

No definition available.

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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.

No definition available.

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The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans made to finance real estate acquisitions. This element refers to the gain (loss) and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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Amount, after allowance for bad debt, of mortgage loan receivables held-for-sale that are not part of a disposal group. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.

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The cash inflow from sales of loans that are secured with real estate mortgages and are held with the intention to resell in the near future.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- References

No definition available.

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Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=pnfp_NonaccrualLoansMember
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Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
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Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=pnfp_AccruingLoansMember
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Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
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Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
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Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_DoubtfulMember
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Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstateMember
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Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialMortgageMember
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Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=pnfp_CommercialAndIndustrialMember
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