v3.26.1
Document And Entity Information
Jun. 03, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 03, 2026
Entity Registrant Name FTI Consulting, Inc.
Entity Central Index Key 0000887936
Entity Emerging Growth Company false
Entity File Number 001-14875
Entity Incorporation, State or Country Code MD
Entity Tax Identification Number 52-1261113
Entity Address, Address Line One 555 12th Street NW
Entity Address, City or Town Washington
Entity Address, State or Province DC
Entity Address, Postal Zip Code 20004
City Area Code 202
Local Phone Number 312-9100
Entity Information, Former Legal or Registered Name Not applicable
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 FCN
Security Exchange Name NYSE