Equity - Additional Information (Details) $ / shares in Units, $ in Thousands	Nov. 19, 2024 USD ($) Days $ / shares shares	Jul. 31, 2023 USD ($) $ / shares shares	Mar. 31, 2025 USD ($) $ / shares shares	Dec. 31, 2024 $ / shares shares	Jun. 16, 2020 shares
Class Of Stock [Line Items]
Number of prefunded warrants exercised			185,732
Gross proceeds of private placement \| $		$ 25,000
2024 Private Placement
Class Of Stock [Line Items]
Issuance of stock closing date	90 days
Issuance of stock threshold period	3 years
Common stock threshold consecutive trading day period \| Days	30
Certain Executive Officers and Senior Management \| 2024 Private Placement
Class Of Stock [Line Items]
Private placement purchasing amount \| $	$ 475
Certain Executive Officers, Senior Management and Board Members \| 2023 Private Placement
Class Of Stock [Line Items]
Private placement purchasing amount \| $		$ 1,160
Maximum \| Shelf Registration
Class Of Stock [Line Items]
Issuance in securities \| $			$ 300,000
Common Stock
Class Of Stock [Line Items]
Common stock issued, shares	4,931,389	606,678
Warrants to purchase common stock					176
Common stock exercise price \| $ / shares			$ 3,506.25	$ 3,506.25
Warrants outstanding			4,817,389
Warrant ownership limit	19.99%	9.99%
Warrant ownership increase or decrease limit	19.99%	19.99%
Warrant notice limit	61 days	61 days
Warrants expiration date					Oct. 30, 2025
Common Stock \| 2023 Private Placement
Class Of Stock [Line Items]
Gross proceeds of private placement \| $		$ 25,000
Offering costs \| $		$ 272
Common Stock \| 2024 Private Placement
Class Of Stock [Line Items]
Gross proceeds of private placement \| $	$ 53,000
Offering costs \| $	$ 3,400
Common Stock \| Certain Executive Officers and Senior Management \| 2024 Private Placement
Class Of Stock [Line Items]
Shares price, per share \| $ / shares	$ 5.552
Common Stock \| Certain Executive Officers, Senior Management and Board Members \| 2023 Private Placement
Class Of Stock [Line Items]
Shares price, per share \| $ / shares		$ 25.25
Common Stock \| Pre funded warrants
Class Of Stock [Line Items]
Warrants to purchase common stock			4,817,389	4,817,389
Common stock exercise price \| $ / shares	0.001	0.025
Shares price, per share \| $ / shares	$ 5.552	$ 25.15
Common Stock \| Pre funded warrants \| 2023 Private Placement
Class Of Stock [Line Items]
Warrants to purchase common stock		387,566
Shares price, per share \| $ / shares		$ 25.13
Common Stock \| Pre funded warrants \| 2024 Private Placement
Class Of Stock [Line Items]
Warrants to purchase common stock	4,615,555
Shares price, per share \| $ / shares	$ 5.551
Series A Preferred Stock
Class Of Stock [Line Items]
Preferred stock authorized, shares			10,000,000	10,000,000
Preferred stock outstanding, shares			0	0
Preferred stock per share \| $ / shares			$ 0.001	$ 0.001

Forte Biosciences, Inc. 10-Q