v3.25.2
Cover
Jul. 25, 2025
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jul. 25, 2025
Entity Registrant Name Prospect Floating Rate and Alternative Income Fund, Inc.
Entity Tax Identification Number 45-2460782
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Address Line Two 42nd Floor
Entity Address, Postal Zip Code 10016
City Area Code (212)
Local Phone Number 448-0702
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Central Index Key 0001521945
Entity Incorporation, State or Country Code MD
Securities Act File Number 814-00908
Entity Address, Address Line One 10 East 40th Street
Entity Emerging Growth Company false