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Document and Entity Information
Oct. 31, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Oct. 31, 2025
Entity Registrant Name KKR INCOME OPPORTUNITIES FUND
Entity Incorporation State Country Code DE
Entity File Number 811-22543
Entity Tax Identification Number 80-6247755
Entity Address Address Line 1 555 California Street
Entity Address Address Line 2 50th Floor
Entity Address City Or Town San Francisco
Entity Address State Or Province CA
Entity Address Postal Zip Code 94104
City Area Code 415
Local Phone Number 315-3620
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Shares of Beneficial Interest
Trading Symbol KIO
Security Exchange Name NYSE
Entity Emerging Growth Company false
Entity Central Index Key 0001515940
Amendment Flag false