XML 79 R62.htm IDEA: XBRL DOCUMENT
v3.19.3

Subordinated Debt and Other borrowings (Details) |  | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 11, 2019 USD ($) | Sep. 30, 2019 USD ($) subsidiary | Dec. 31, 2019 USD ($) | Jul. 30, 2020 USD ($) | Dec. 31, 2018 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |
Number of wholly owned subsidiaries | subsidiary |  |  | 12 |  |  |
Term |  |  | 30 years |  |  |
Total Debt Outstanding |  |  | $ 750,488,000 |  |  | $ 485,130,000
Debt issuance costs and fair value adjustments |  |  | (12,507,000) |  |  |
Revolving credit facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maximum borrowing capacity |  |  | $ 75,000,000 |  |  |
Date Established |  |  | Apr. 25, 2019 |  |  |
Maturity |  |  | Apr. 24, 2020 |  |  |
Total Debt Outstanding | [1] |  | $ 0 |  |  |
Interest Rate (as percent) | [1] |  | 3.94% |  |  |
Debt instrument, basis spread on variable rate (as percent) |  |  | 1.50% |  |  |
Coupon Structure |  |  | 30-day LIBOR + 1.50% |  |  |
Line of credit outstanding |  |  | $ 0 |  |  |
Unused fee, percentage |  |  | 0.30% |  |  |
Pinnacle Statutory Trust I |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Date Established |  |  | Dec. 29, 2003 |  |  |
Maturity |  |  | Dec. 30, 2033 |  |  |
Total Debt Outstanding |  |  | $ 10,310,000 |  |  |
Interest Rate (as percent) |  |  | 4.94% |  |  |
Coupon Structure |  |  | 30-day LIBOR + 2.80% |  |  |
Pinnacle Statutory Trust II |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Date Established |  |  | Sep. 15, 2005 |  |  |
Maturity |  |  | Sep. 30, 2035 |  |  |
Total Debt Outstanding |  |  | $ 20,619,000 |  |  |
Interest Rate (as percent) |  |  | 3.50% |  |  |
Coupon Structure |  |  | 30-day LIBOR + 1.40% |  |  |
Pinnacle Statutory Trust III |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Date Established |  |  | Sep. 07, 2006 |  |  |
Maturity |  |  | Sep. 30, 2036 |  |  |
Total Debt Outstanding |  |  | $ 20,619,000 |  |  |
Interest Rate (as percent) |  |  | 3.75% |  |  |
Coupon Structure |  |  | 30-day LIBOR + 1.65% |  |  |
Pinnacle Statutory Trust IV |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Date Established |  |  | Oct. 31, 2007 |  |  |
Maturity |  |  | Sep. 30, 2037 |  |  |
Total Debt Outstanding |  |  | $ 30,928,000 |  |  |
Interest Rate (as percent) |  |  | 4.97% |  |  |
Coupon Structure |  |  | 30-day LIBOR + 2.85% |  |  |
BNC Capital Trust I |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Date Established |  |  | Apr. 03, 2003 |  |  |
Maturity |  |  | Apr. 15, 2033 |  |  |
Total Debt Outstanding |  |  | $ 5,155,000 |  |  |
Interest Rate (as percent) |  |  | 5.55% |  |  |
Coupon Structure |  |  | 30-day LIBOR + 3.25% |  |  |
BNC Capital Trust II |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Date Established |  |  | Mar. 11, 2004 |  |  |
Maturity |  |  | Apr. 07, 2034 |  |  |
Total Debt Outstanding |  |  | $ 6,186,000 |  |  |
Interest Rate (as percent) |  |  | 5.15% |  |  |
Coupon Structure |  |  | 30-day LIBOR + 2.85% |  |  |
BNC Capital Trust III |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Date Established |  |  | Sep. 23, 2004 |  |  |
Maturity |  |  | Sep. 23, 2034 |  |  |
Total Debt Outstanding |  |  | $ 5,155,000 |  |  |
Interest Rate (as percent) |  |  | 4.70% |  |  |
Coupon Structure |  |  | 30-day LIBOR + 2.40% |  |  |
BNC Capital Trust IV |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Date Established |  |  | Sep. 27, 2006 |  |  |
Maturity |  |  | Dec. 31, 2036 |  |  |
Total Debt Outstanding |  |  | $ 7,217,000 |  |  |
Interest Rate (as percent) |  |  | 3.80% |  |  |
Coupon Structure |  |  | 30-day LIBOR + 1.70% |  |  |
Valley Financial Trust I |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Date Established |  |  | Jun. 26, 2003 |  |  |
Maturity |  |  | Jun. 26, 2033 |  |  |
Total Debt Outstanding |  |  | $ 4,124,000 |  |  |
Interest Rate (as percent) |  |  | 5.21% |  |  |
Coupon Structure |  |  | 30-day LIBOR + 3.10% |  |  |
Valley Financial Trust II |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Date Established |  |  | Sep. 26, 2005 |  |  |
Maturity |  |  | Dec. 15, 2035 |  |  |
Total Debt Outstanding |  |  | $ 7,217,000 |  |  |
Interest Rate (as percent) |  |  | 3.61% |  |  |
Coupon Structure |  |  | 30-day LIBOR + 1.49% |  |  |
Valley Financial Trust III |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Date Established |  |  | Dec. 15, 2006 |  |  |
Maturity |  |  | Jan. 30, 2037 |  |  |
Total Debt Outstanding |  |  | $ 5,155,000 |  |  |
Interest Rate (as percent) |  |  | 4.00% |  |  |
Coupon Structure |  |  | 30-day LIBOR + 1.73% |  |  |
Southcoast Capital Trust III |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Date Established |  |  | Aug. 05, 2005 |  |  |
Maturity |  |  | Sep. 30, 2035 |  |  |
Total Debt Outstanding |  |  | $ 10,310,000 |  |  |
Interest Rate (as percent) |  |  | 3.60% |  |  |
Coupon Structure |  |  | 30-day LIBOR + 1.50% |  |  |
Pinnacle Bank Subordinated Notes (2015) |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Date Established |  |  | Jul. 30, 2015 |  |  |
Maturity |  |  | Jul. 30, 2025 |  |  |
Total Debt Outstanding | [2] |  | $ 60,000,000 |  |  |
Interest Rate (as percent) | [2] |  | 4.88% |  |  |
Debt instrument, basis spread on variable rate (as percent) |  |  | 3.128% |  |  |
Coupon Structure |  |  | three month LIBOR + 3.128% |  |  |
Pinnacle Bank Subordinated Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Date Established |  |  | Mar. 10, 2016 |  |  |
Maturity |  |  | Jul. 30, 2025 |  |  |
Total Debt Outstanding | [2] |  | $ 70,000,000 |  |  |
Interest Rate (as percent) | [2] |  | 4.88% |  |  |
Debt instrument, basis spread on variable rate (as percent) |  |  | 3.128% |  |  |
Debt instrument, term of variable rate |  |  | 3 months |  |  |
Coupon Structure |  |  | three month LIBOR + 3.128% |  |  |
Avenue Subordinated Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Date Established |  |  | Dec. 29, 2014 |  |  |
Maturity |  |  | Dec. 29, 2024 |  |  |
Total Debt Outstanding | [3] |  | $ 20,000,000 |  |  |
Interest Rate (as percent) | [3] |  | 6.75% |  |  |
Debt instrument, basis spread on variable rate (as percent) |  |  | 4.95% |  |  |
Coupon Structure |  |  | three month LIBOR + 4.95% |  |  |
Pinnacle Financial Subordinated Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Date Established |  |  | Nov. 16, 2016 |  |  |
Maturity |  |  | Nov. 16, 2026 |  |  |
Total Debt Outstanding | [4] |  | $ 120,000,000 |  |  |
Interest Rate (as percent) | [4] |  | 5.25% |  |  |
Debt instrument, basis spread on variable rate (as percent) |  |  | 3.884% |  |  |
Coupon Structure |  |  | three month LIBOR + 3.884% |  |  |
Pinnacle Financial Notes 2019 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Date Established |  |  | Sep. 11, 2019 |  |  |
Maturity |  |  | Sep. 15, 2029 |  |  |
Total Debt Outstanding | [5] |  | $ 300,000,000.0 |  |  |
Interest Rate (as percent) | [5] |  | 4.13% |  |  |
Debt instrument, basis spread on variable rate (as percent) |  |  | 2.775% |  |  |
Coupon Structure |  |  | three month LIBOR + 2.775% |  |  |
Proceeds from Issuance of Debt |  | $ 296,500,000 |  |  |  |
Subordinated Debt Due 2023 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt repurchase |  |  | $ 8,800,000 |  |  |
Debt interest rate (percentage) |  |  | 7.23% |  |  |
BNC Subordinated Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Date Established |  |  | Sep. 25, 2014 |  |  |
Maturity |  |  | Oct. 01, 2024 |  |  |
Total Debt Outstanding | [6] |  | $ 60,000,000 |  |  |
Interest Rate (as percent) | [6] |  | 5.50% |  |  |
Debt instrument, basis spread on variable rate (as percent) |  |  | 3.59% |  |  |
Coupon Structure |  |  | three month LIBOR + 3.59% |  |  |
Forecast | Avenue Subordinated Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt, aggregate principal to be repurchased |  |  |  | $ 20,000,000.0 |  |
Forecast | Pinnacle Financial Subordinated Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt, aggregate principal to be repurchased |  |  |  |  | $ 130,000,000.0 |
Forecast | Pinnacle Bank Subordinated Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Proceeds from Issuance of Debt |  |  |  | 210,000,000.0 |  |
Forecast | BNC Subordinated Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt, aggregate principal to be repurchased |  |  |  | $ 60,000,000.0 |  |
[1] | Borrowing capacity on the revolving credit facility is $75.0 million. At September 30, 2019, there were no amounts outstanding under this facility. An unused fee of 0.30% is assessed on the average daily unused amount of the loan.
[2] | Migrates to three month LIBOR + 3.128% beginning July 30, 2020 through the end of the term.
[3] | Migrates to three month LIBOR + 4.95% beginning January 1, 2020 through the end of the term.
[4] | Migrates to three month LIBOR + 3.884% beginning November 16, 2021 through the end of the term.
[5] | Migrates to three month LIBOR + 2.775% beginning September 15, 2024 through the end of the term.
[6] | Migrates to three month LIBOR + 3.59% beginning October 1, 2019 through the end of the term if not redeemed on that date.

X
- Definition Term of the interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index. + References No definition available. + Details
Name: | pnfp_DebtInstrumentTermOfVariableRate
Namespace Prefix: | pnfp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of wholly owned subsidiaries. + References No definition available. + Details
Name: | pnfp_NumberOfWhollyOwnedSubsidiaries
Namespace Prefix: | pnfp_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentDescriptionOfVariableRateBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Date the debt instrument was issued, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentIssuanceDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
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 No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_DebtInstrumentMaturityDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value amount of debt instrument that was repurchased. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentRepurchaseAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Face (par) amount of the original debt instrument that was repurchased. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentRepurchasedFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
Name: | us-gaap_DeferredFinanceCostsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
Name: | us-gaap_LineOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_SubordinatedDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pnfp_TrustPreferredSecuritiesSubjectToMandatoryRedemptionOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pnfp_TrustPreferredSecuritiesSubjectToMandatoryRedemptionTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pnfp_TrustPreferredSecuritiesSubjectToMandatoryRedemptionThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pnfp_TrustPreferredSecuritiesSubjectToMandatoryRedemptionFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pnfp_TrustPreferredSecuritiesSubjecttoMandatoryRedemptionFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pnfp_TrustPreferredSecuritiesSubjecttoMandatoryRedemptionSixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pnfp_TrustPreferredSecuritiesSubjecttoMandatoryRedemptionSevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pnfp_TrustPreferredSecuritiesSubjecttoMandatoryRedemptionEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pnfp_TrustPreferredSecuritiesSubjecttoMandatoryRedemptionNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pnfp_TrustPreferredSecuritiesSubjecttoMandatoryRedemptionTenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pnfp_TrustPreferredSecuritiesSubjecttoMandatoryRedemptionElevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pnfp_TrustPreferredSecuritiesSubjecttoMandatoryRedemptionTwelveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pnfp_PinnacleBankNotesEstablishedOnJuly302015Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pnfp_PinnacleBankNotesEstablishedOnMarch102016Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pnfp_AvenueSubordinatedNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pnfp_PinnacleFinancialNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pnfp_PinnacleFinancialNotes2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pnfp_SubordinatedDebtDue2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pnfp_BNCSubordinatedNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pnfp_PinnacleBankSubordinatedNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |