v3.26.1
Document and Entity Information
Jul. 02, 2026
Cover [Abstract]  
Document Type 8-K
Document Period End Date Jul. 02, 2026
Entity Registrant Name ITG, Inc./DE/
Entity Incorporation State Country Code DE
Entity File Number 001-43381
Entity Tax Identification Number 30-1479306
Entity Address Address Line 1 2400 E Commercial Blvd Ste 1000
Entity Address City Or Town Fort Lauderdale
Entity Address State Or Province FL
Entity Address Postal Zip Code 33308
City Area Code 615
Local Phone Number 447-5347
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Class A common stock, par value $0.001 per share
Trading Symbol ITG
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Entity Ex Transition Period true
Current Fiscal Year End Date --12-31
Amendment Flag false
Entity Central Index Key 0002110117