v3.26.1
Cover Page
Jun. 17, 2026
Cover [Abstract]  
Document Type 8-K
Document Period End Date Jun. 17, 2026
Entity Registrant Name CAPITAL BANCORP, INC
Entity Incorporation, State or Country Code MD
Entity File Number 001-38671
Entity Tax Identification Number 52-2083046
Entity Address, Address Line One 2275 Research Boulevard
Entity Address, Address Line Two Suite 600
Entity Address, City or Town Rockville
Entity Address, State or Province MD
Entity Address, Postal Zip Code 20850
City Area Code 301
Local Phone Number 468-8848
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Title of 12(b) Security Common Stock, par value $0.01 per share
Trading Symbol CBNK
Security Exchange Name NASDAQ
Entity Central Index Key 0001419536
Amendment Flag false