v3.25.4
Document and Entity Information
Jan. 01, 2026
Entity Listings [Line Items]  
Document Type 8-K12B
Amendment Flag false
Document Period End Date Jan. 01, 2026
Current Fiscal Year End Date --12-31
Entity File Number 333-289866
Entity Registrant Name PINNACLE FINANCIAL PARTNERS, INC.
Entity Central Index Key 0002082866
Entity Incorporation, State or Country Code GA
Entity Tax Identification Number 39-3738880
Entity Address, Address Line One 3400 Overton Park Drive
Entity Address, City or Town Atlanta
Entity Address, State or Province GA
Entity Address, Postal Zip Code 30339
City Area Code 706
Local Phone Number 641-6500
Entity Emerging Growth Company false
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Information, Former Legal or Registered Name Steel Newco Inc.
Common Stock, par value $1.00 per share [Member]  
Entity Listings [Line Items]  
Title of 12(b) Security Common Stock, par value $1.00 per share
Trading Symbol PNFP
Security Exchange Name NYSE
Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series A [Member]  
Entity Listings [Line Items]  
Title of 12(b) Security Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series A
Trading Symbol PNFP-PrA
Security Exchange Name NYSE
Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series B [Member]  
Entity Listings [Line Items]  
Title of 12(b) Security Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series B
Trading Symbol PNFP-PrB
Security Exchange Name NYSE
Depositary Shares, each representing 1/40th interest in a Share of 6.75% Fixed-Rate Non-Cumulative Perpetual Preferred Stock, Series C [Member]  
Entity Listings [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 C
Trading Symbol PNFP-PrC
Security Exchange Name NYSE