XML 6 R1.htm IDEA: XBRL DOCUMENT v3.25.2
Cover
Jul. 25, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jul. 25, 2025
Entity File Number 001-38910
Entity Registrant Name Tectonic Financial, Inc.
Entity Central Index Key 0001766526
Entity Tax Identification Number 82-0764846
Entity Incorporation, State or Country Code TX
Entity Address, Address Line One 16200 Dallas Parkway
Entity Address, Address Line Two Suite 190
Entity Address, City or Town Dallas
Entity Address, State or Province TX
Entity Address, Postal Zip Code 75248
City Area Code 972
Local Phone Number 720-9000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Series B preferred stock, par value $0.01 per share
Trading Symbol TECTP
Security Exchange Name NASDAQ
Entity Emerging Growth Company false