Cover
Cover | Nov. 21, 2022 |
Cover [Abstract] | |
Document Type | 8-K |
Document Period End Date | Nov. 21, 2022 |
Entity Registrant Name | GOLUB CAPITAL BDC, INC. |
Entity Incorporation, State or Country Code | DE |
Securities Act File Number | 814-00794 |
Entity Tax Identification Number | 27-2326940 |
Entity Address, Address Line One | 200 Park Avenue |
Entity Address, Address Line Two | 25th Floor |
Entity Address, City or Town | New York |
Entity Address, State or Province | NY |
Entity Address, Postal Zip Code | 10166 |
City Area Code | 212 |
Local Phone Number | 750-6060 |
Written Communications | false |
Soliciting Material | false |
Pre-commencement Tender Offer | false |
Pre-commencement Issuer Tender Offer | false |
Title of 12(b) Security | Common Stock, par value $0.001 per share |
Trading Symbol | GBDC |
Security Exchange Name | NASDAQ |
Entity Emerging Growth Company | false |
Amendment Flag | false |
Entity Central Index Key | 0001476765 |