v3.25.2
Document and Entity Information
Aug. 11, 2025
Document And Entity Information [Line Items]  
Entity Registrant Name MidCap Financial Investment Corp
Amendment Flag false
Entity Central Index Key 0001278752
Document Type 8-K
Document Period End Date Aug. 11, 2025
Entity Incorporation State Country Code MD
Entity File Number 814-00646
Entity Tax Identification Number 52-2439556
Entity Address, Address Line One 9 West 57th Street
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10019
City Area Code (212)
Local Phone Number 515-3450
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Common Stock, $0.001 par value
Trading Symbol MFIC
Security Exchange Name NASDAQ
Deferrable Notes [Member]  
Document And Entity Information [Line Items]  
Security 12b Title 8.00% Notes due 2028
Trading Symbol MFICL
Security Exchange Name NASDAQ