COMMON STOCK (Details)			1 Months Ended						3 Months Ended		9 Months Ended
	Mar. 01, 2023 USD ($) shares	Feb. 23, 2023 item $ / shares shares	Feb. 28, 2023 USD ($) $ / shares shares	Jan. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Oct. 31, 2022 USD ($) $ / shares shares	Apr. 30, 2022 USD ($) $ / shares shares	Mar. 31, 2022 USD ($) shares	Sep. 30, 2023 USD ($) vote $ / shares shares	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) vote $ / shares shares	Sep. 30, 2022 USD ($) $ / shares shares	Feb. 22, 2023 shares
COMMON STOCK
Number of proposals approved | item		2
Common stock par value (in dollars per share) | $ / shares		$ 0.001			$ 0.001				$ 0.001		$ 0.001
Common stock shares authorized (in shares)		400,000,000			200,000,000				400,000,000		400,000,000		200,000,000
Preferred stock par value (in dollars per share) | $ / shares		$ 0.001			$ 0.001				$ 0.001		$ 0.001
Preferred stock shares authorized (in shares)		100,000,000			25,000,000				100,000,000		100,000,000		25,000,000
Authorized shares (in shares)									500,000,000		500,000,000
Common stock number of votes | vote									1		1
Issuance of stock (in shares)	40,764,706					7,481,747
Issuance of stock | $						$ 9,400,000			$ 21,786,000	$ 14,482,000	$ 54,134,000	$ 48,417,000
Net proceeds from issued of common stocking including ATM Offering | $	$ 26,600,000					$ 5,100,000					$ 57,664,000	36,828,000
Number of shares in each unit (in shares)						1
Number of warrants in each unit (in shares)						1
Exercise price of warrants (in dollars per share) | $ / shares						$ 1.93			$ 0.58		$ 0.58
Threshold trading days for weighted average price calculation						10 days
Weighted Average Price of Last 10 Days (in dollars per share) | $ / shares						$ 1.26
Aggregate purchase price | $						$ 3,500,000
Proceeds from warrant issuances | $						$ 4,300,000					$ 2,500,000	$ 0
Warrants issued to lenders (in shares)						2,667,678
Proceeds from warrant exercises | $											$ 27,000
Warrant exercise (in shares)											2,740,587	0
Dividends declared (in dollar per share) | $ / shares											$ 0	$ 0
Exchange Agreement
COMMON STOCK
TeraClub shares converted to TeraWulf shares (in shares)				12,000,000
New Exchange Warrants
COMMON STOCK
Number of shares issued for warrant exercise (in shares)				12,000,000
New exchange warrants issued (in shares)				12,000,000
Strike price (in dollars per share) | $ / shares				$ 0.0001
Subscription agreements with February Common Stock Investors
COMMON STOCK
Issuance of stock (in shares)			1,386,467
Share price (in dollars per share) | $ / shares			$ 0.68
Proceeds from private placement | $			$ 900,000
Private Placement
COMMON STOCK
Issuance of stock (in shares)							634,517	271,447
Issuance of stock | $							$ 5,000,000	$ 2,100,000
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
Net proceeds from issued of common stocking including ATM Offering | $					$ 5,400,000
Exercise price of warrants (in dollars per share) | $ / shares					$ 0.40
Proceeds from warrant issuances | $					$ 1,300,000
Warrants issued to lenders (in shares)					8,750,000
Private Placement | Warrant subscription agreement | Warrant Investors
COMMON STOCK
Exercise price of warrants (in dollars per share) | $ / shares				$ 0.00001
Warrants issued to lenders (in shares)				1
Warrants issued (in shares)				2,380,952
Private Placement | Warrant subscription agreement | January 2023 Warrants
COMMON STOCK
Issuance of stock (in shares)				2,380,952
Proceeds from issuance of equity | $				$ 2,500,000
Share price (in dollars per share) | $ / shares				$ 1.05
Number of shares issued for warrant exercise (in shares)				2,380,952
December Private Placement
COMMON STOCK
Issuance of stock (in shares)					16,850,000
Aggregate offering price | $					$ 6,700,000
Price per share (in dollar per share) | $ / shares					$ 0.40
Number of warrants issued (in shares)					11,250,000
January Private Placement
COMMON STOCK
Issuance of stock | $				$ 1,800,000
Price per share (in dollar per share) | $ / shares				$ 0.40
Proceeds from issuance of equity | $				$ 30,000,000
ATM Sales Agreement
COMMON STOCK
Issuance of stock (in shares)											13,898,895	2,910,909
Issuance of stock | $											$ 27,000,000	$ 9,700,000
April ATM Sales Agreement
COMMON STOCK
Common stock par value (in dollars per share) | $ / shares							$ 0.001
Aggregate offering price | $							$ 200,000,000
Percentage of commission o gross proceed							3.00%
Remaining shares to be issued | $									$ 162,200,000		$ 162,200,000
Over-Allotment Option
COMMON STOCK
Common stock par value (in dollars per share) | $ / shares							$ 0.001
Issuance of stock (in shares)			36,764,706				2,985,966
Net proceeds from issued of common stocking including ATM Offering | $							$ 20,600,000
Share price (in dollars per share) | $ / shares			$ 0.68
Term of over allotment option			30 days
Number of additional shares granted (in shares)			5,514,705
Number of common stock elected to purchase (in shares)			4,000,000
Series A Preferred Stock
COMMON STOCK
Preferred stock shares authorized (in shares)									1		1
Issuance of stock | $												$ 9,273,000