| Document and Entity Information | Jan. 08, 2022 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Jan. 8, 2022 |
| Entity Registrant Name | GLADSTONE ACQUISITION CORPORATION |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-40707 |
| Entity Tax Identification Number | 86-1458374 |
| 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 | true |
| Entity Ex Transition Period | false |
| Amendment Flag | false |
| Entity Central Index Key | 0001843248 |
| Class A Common Stock [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Shares of Class A common stock included as part of the units |
| Trading Symbol | GLEE |
| Security Exchange Name | NASDAQ |
| Warrant [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Redeemable warrants included as part of the units, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50 |
| Trading Symbol | GLEEW |
| Security Exchange Name | NASDAQ |
| Capital Units [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Units, each consisting of one share of Class A common stock, $0.0001 par value, and one-half of one redeemable warrant |
| Trading Symbol | GLEEU |
| Security Exchange Name | NASDAQ |
