COMMON STOCK (Details)				1 Months Ended										9 Months Ended	11 Months Ended	12 Months Ended
	Mar. 01, 2023 USD ($) shares	Jan. 30, 2023 USD ($) $ / shares	Dec. 13, 2021 $ / shares shares	Feb. 28, 2023 shares	Jan. 31, 2023 USD ($)	Dec. 31, 2022 USD ($) item $ / shares shares	Oct. 31, 2022 USD ($) $ / shares shares	Apr. 30, 2022 USD ($) $ / shares shares	Mar. 31, 2022 USD ($) shares	Feb. 28, 2022 USD ($) $ / shares	Dec. 31, 2021 USD ($) $ / shares shares	Mar. 31, 2021 USD ($) $ / shares shares	Feb. 28, 2021 $ / shares shares	Dec. 31, 2021 $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) item $ / shares shares	Feb. 23, 2023 $ / shares shares	Feb. 22, 2023 shares
COMMON STOCK
Authorized shares						225,000,000										225,000,000
Common stock shares authorized						200,000,000					200,000,000	200,000,000	200,000,000	200,000,000	200,000,000	200,000,000
Common stock par value | $ / shares						$ 0.001					$ 0.001	$ 0.001	$ 0.001	$ 0.001	$ 0.001	$ 0.001
Common stock number of votes | item						1										1
Preferred stock shares authorized						25,000,000					25,000,000	25,000,000	25,000,000	25,000,000	25,000,000	25,000,000
Preferred stock par value | $ / shares						$ 0.001					$ 0.001	$ 0.001	$ 0.001	$ 0.001	$ 0.001	$ 0.001
Number of shares of common stock							7,481,747
Number of shares in each unit							1
Number of warrants in each unit							1
Threshold trading days for weighted average price calculation							10 days
Warrants issued to lenders							2,667,678
Exercise price of warrants (in dollars per share) | $ / shares							$ 1.93
Warrant exercise (in shares)																5,714,823
Proceeds from Warrant Exercises | $																$ 58,000
Price per share (in dollar per share) | $ / shares							$ 0.01
Issuance of common stock, net of issuance costs | $							$ 9,400,000								$ 104,318,000	58,860,000
Proceeds from issuance of common stock | $							5,100,000								$ 104,376,000	47,326,000
Proceeds from issuance of warrants | $							$ 4,300,000									$ 5,700,000
Dividends declared (in dollar per share) | $ / shares												$ 0	$ 0	$ 0		$ 0
Common stock shares outstanding						145,492,971					99,976,253			99,976,253	99,976,253	145,492,971
Weighted average price | $ / shares							$ 1.26
Aggregate purchase price | $							$ 3,500,000
TeraCub
COMMON STOCK
Authorized shares			1,000
Common stock shares authorized			100,000,000
Common stock par value | $ / shares			$ 0.001
Preferred stock shares authorized			20,000,000
Preferred stock par value | $ / shares			$ 0.001
Price per share (in dollar per share) | $ / shares			$ 0.001
TeraClub shares converted to TeraWulf shares			97,976,728
Dividends declared (in dollar per share) | $ / shares															$ 0
TeraWulf shares issued converting TereClub shares			99,976,253
Common stock shares outstanding			54,840,641
TeraCub | Company's founders
COMMON STOCK
Number of shares of common stock															44,000,000
Term Loan | TeraCub
COMMON STOCK
Number of shares of common stock											839,398
Subsequent Events
COMMON STOCK
Common stock shares authorized																	400,000,000	200,000,000
Common stock par value | $ / shares																	$ 0.001
Preferred stock shares authorized																	100,000,000	25,000,000
Preferred stock par value | $ / shares																	$ 0.001
Number of shares of common stock	40,764,706
Proceeds from issuance of common stock | $	$ 26,600,000
Private Placement
COMMON STOCK
Number of shares of common stock								634,517	271,447
Issuance of common stock, net of issuance costs | $								$ 5,000,000.0	$ 2,100,000
Private Placement | TeraCub
COMMON STOCK
Number of shares of common stock											2,261,932	6,000,000
Price per share (in dollar per share) | $ / shares											$ 33.82	$ 5.00		$ 33.82	$ 33.82
Issuance of common stock, net of issuance costs | $												$ 30,000,000.0
Proceeds from issuance of common stock | $											$ 76,500,000
Percentage of shares sold to outstanding shares												12.00%
Private Placement | Subsequent Events
COMMON STOCK
Percentage of Warrants Exercised					50.00%
Proceeds from Warrant Exercises | $					$ 1,800,000
Percentage of warrants expired					50.00%
Private Placement | December Warrants
COMMON STOCK
Warrants issued to lenders						8,750,000										8,750,000
Exercise price of warrants (in dollars per share) | $ / shares						$ 0.40										$ 0.40
Proceeds from issuance of common stock | $						$ 5,400,000
Proceeds from issuance of warrants | $						1,300,000
December Private Placement
COMMON STOCK
Aggregate offering price | $						$ 6,740,000										$ 6,740,000
Number of shares of common stock						16,850,000
Number of warrants issued						11,250,000
Price per share (in dollar per share) | $ / shares						$ 0.40										$ 0.40
January Private Placement | Subsequent Events
COMMON STOCK
Price per share (in dollar per share) | $ / shares		$ 0.40
Issuance of common stock, net of issuance costs | $		$ 1,750,000
Proceeds from Issuance of Equity | $		$ 30,000,000
Percentage of Unexercised Warrants Replaced		50.00%
ATM Sales Agreement
COMMON STOCK
Common stock par value | $ / shares										$ 0.001
Aggregate offering price | $										$ 200,000,000.0
Number of shares of common stock																1,809,893
Issuance of common stock, net of issuance costs | $																$ 2,700,000
Percentage of commission o gross proceed										3.00%
April ATM Sales Agreement
COMMON STOCK
Common stock par value | $ / shares								$ 0.001
Aggregate offering price | $								$ 200,000,000.0
Number of shares of common stock																2,910,909
Issuance of common stock, net of issuance costs | $																$ 9,700,000
Percentage of commission o gross proceed								3.00%
Underwriting Agreement
COMMON STOCK
Common stock par value | $ / shares								$ 0.001
Number of shares of common stock								2,985,966
Proceeds from issuance of common stock | $								$ 20,600,000
Underwriting Agreement | Subsequent Events
COMMON STOCK
Number of shares of common stock				36,764,706
Series A Preferred Stock
COMMON STOCK
Preferred stock shares authorized						1										1
Series A Preferred Stock | TeraCub
COMMON STOCK
Preferred stock shares authorized			2,000,000