v3.26.1
Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2025
Mar. 18, 2026
Jun. 30, 2025
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Period End Date Dec. 31, 2025    
Current Fiscal Year End Date --12-31    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2025    
Document Transition Report false    
Entity File Number 001-40564    
Entity Registrant Name Chicago Atlantic BDC, Inc.    
Entity Central Index Key 0001843162    
Entity Incorporation, State or Country Code MD    
Entity Tax Identification Number 86-2872887    
Entity Address, Address Line One 600 Madison Avenue    
Entity Address, Address Line Two Suite 1800    
Entity Address, City or Town New York    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 10022    
City Area Code 312    
Local Phone Number 625-9295    
Title of 12(b) Security Common Stock, par value $0.01 per share    
Trading Symbol LIEN    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 207,788,142
Entity Common Stock, Shares Outstanding   22,820,590  
Auditor Firm ID 243    
Auditor Name BDO USA, P.C.    
Auditor Location New York    
Auditor Opinion

Opinion on the Financial Statements

We have audited the accompanying statements of assets and liabilities of Chicago Atlantic BDC, Inc. (the “Company”), including the schedules of investments, as of December 31, 2025 and 2024, the related statements of operations, changes in net assets, and cash flows for each of the three years in the period ended December 31, 2025, and the related notes (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2025 and 2024, and the results of its operations, changes in its net assets, and its cash flows for each of the three years in the period ended December 31, 2025, in conformity with accounting principles generally accepted in the United States of America.

   
Documents Incorporated by Reference

Portions of the registrant’s definitive Proxy Statement for its 2026 Annual Meeting of Stockholders, to be filed with the Securities and Exchange Commission within 120 days following the end of the registrant’s fiscal year, are incorporated by reference into Part III of this annual report on Form 10-K.