v3.26.3
Cover Page Document
Sep. 22, 2026
Cover [Abstract]  
Document Type 8-K
Document Period End Date Sep. 22, 2026
Entity Registrant Name PIPER SANDLER COMPANIES
Entity Incorporation, State or Country Code DE
Entity File Number 1-31720
Entity Tax Identification Number 30-0168701
Entity Address, Address Line One 350 N 5th Street
Entity Address, Address Line Two Suite 1000
Entity Address, City or Town Minneapolis
Entity Address, State or Province MN
Entity Address, Postal Zip Code 55401
City Area Code (612)
Local Phone Number 303-6000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.01 per share
Trading Symbol PIPR
Security Exchange Name NYSE
Entity Emerging Growth Company false
Entity Central Index Key 0001230245
Amendment Flag false