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Cover
Feb. 23, 2021
Feb. 02, 2021
Cover [Abstract]    
Document Type 8-K  
Document Period End Date Feb. 23, 2021  
Entity Address, Address Line One 150 Third Avenue South  
Entity Address, Address Line Two Suite 900  
Entity Address, City or Town Nashville  
Entity Address, State or Province TN  
Entity Address, Postal Zip Code 37201  
City Area Code (615)  
Local Phone Number 744-3700  
Written Communications false  
Soliciting Material false  
Pre-commencement Tender Offer false  
Pre-commencement Issuer Tender Offer false  
Entity Emerging Growth Company false  
Entity Tax Identification Number   62-1812853
Entity File Number   000-31225
Entity Incorporation, State or Country Code   TN
Entity Registrant Name   PINNACLE FINANCIAL PARTNERS, INC.
Entity Central Index Key 0001115055  
Amendment Flag false  
Common Class A [Member]    
Cover [Abstract]    
Title of 12(b) Security   Common Stock par value $1.00
Trading Symbol   PNFP
Security Exchange Name   NASDAQ
Document Information [Line Items]    
Title of 12(b) Security   Common Stock par value $1.00
Trading Symbol   PNFP
Security Exchange Name   NASDAQ
Noncumulative Preferred Stock [Member]    
Cover [Abstract]    
Title of 12(b) Security   Depositary Shares (each representing 1/40th interest in a share of 6.75% Fixed-Rate Non-Cumulative Perpetual Preferred Stock, Series B)
Trading Symbol   PNFPP
Security Exchange Name   NASDAQ
Document Information [Line Items]    
Title of 12(b) Security   Depositary Shares (each representing 1/40th interest in a share of 6.75% Fixed-Rate Non-Cumulative Perpetual Preferred Stock, Series B)
Trading Symbol   PNFPP
Security Exchange Name   NASDAQ