Refers to number of equity incentive plans under share based compensation arrangement.

No definition available.

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Period Type:	instant

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Options, Acquisitions in Period

+ References

No definition available.

+ Details

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Namespace Prefix:	pnfp_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

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Data Type:	xbrli:stringItemType
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Period Type:	duration

- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_BusinessAcquisitionAxis=pnfp_CapitalMarkBankTrustMember
Namespace Prefix:
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- Details

Name:	us-gaap_BusinessAcquisitionAxis=pnfp_MagnaorAvenueMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_BusinessAcquisitionAxis=pnfp_BNCBancorpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=pnfp_EquityIncentivePlan2014Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=pnfp_CapitalMarkPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=pnfp_BNCPlanMember
Namespace Prefix:
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Stock Options and Restricted Shares - Narrative (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2017 USD ($) plan shares	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) plan shares	Jun. 30, 2016 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity incentive plan \| plan	1		1
Stock-based compensation expense \| $	$ 5,200,000	$ 2,600,000	$ 8,633,209	$ 5,244,947
CapitalMark
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares acquired in period (in shares)			0
Magna or Avenue
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares acquired in period (in shares)			0
BNC Bancorp
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense \| $	$ 1,500,000		$ 1,500,000
2014 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for issuances (in shares)	735,912		735,912
CapitalMark Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares acquired in period (in shares)			858,000
BNC Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for issuances (in shares)	33,000		33,000