v3.26.1
Cover - shares
3 Months Ended
Mar. 31, 2026
May 07, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
Document Transition Report false  
Entity File Number 814-01301  
Entity Registrant Name MONROE CAPITAL INCOME PLUS CORPORATION  
Entity Incorporation, State or Country Code MD  
Entity Tax Identification Number 83-0711022  
Entity Address, Address Line One 155 North Wacker Drive, 35th Floor  
Entity Address, City or Town Chicago  
Entity Address, State or Province IL  
Entity Address, Postal Zip Code 60606  
City Area Code 312  
Local Phone Number 258-8300  
Title of 12(b) Security None  
No Trading Symbol Flag true  
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  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   287,511,012
Amendment Flag false  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Entity Central Index Key 0001742313  
Current Fiscal Year End Date --12-31