Current report filing

Document and Entity Information

v3.23.4
Document and Entity Information
Jan. 09, 2024
Document And Entity Information [Line Items]  
Entity Registrant Name GLADSTONE CAPITAL CORP
Amendment Flag false
Entity Central Index Key 0001143513
Document Type 8-K
Document Period End Date Jan. 09, 2024
Entity Incorporation State Country Code MD
Entity File Number 814-00237
Entity Tax Identification Number 54-2040781
Entity Address, Address Line One 1521 Westbranch Drive
Entity Address, Address Line Two Suite 100
Entity Address, City or Town McLean
Entity Address, State or Province VA
Entity Address, Postal Zip Code 22102
City Area Code (703)
Local Phone Number 287-5800
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Shares [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Common Stock, $0.001 par value per share
Trading Symbol GLAD
Security Exchange Name NASDAQ
Seven Point Seven Five Percentage Notes Due 2028 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title 7.75% notes due 2028
Trading Symbol GLADZ
Security Exchange Name NASDAQ