v3.26.1
Document and Entity Information - shares
 3 Months Ended
Mar. 31, 2026
May 12, 2026
Document and Entity Information    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
Document Transition Report false  
Securities Act File Number 814-01154  
Entity Registrant Name AUDAX CREDIT BDC INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 47-3039124  
Entity Address, Address Line One 320 PARK AVENUE  
Entity Address, Postal Zip Code 10022  
Entity Address, City or Town NEW YORK  
Entity Address, State or Province NY  
City Area Code 212  
Local Phone Number 703-2700  
Title of 12(b) Security None  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Small Business false  
Entity Emerging Growth Company true  
Entity Filer Category Non-accelerated Filer  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   47,020,471
Entity Central Index Key 0001633858  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Amendment Flag false  
No Trading Symbol Flag true