| Cover | Dec. 13, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K/A |
| Amendment Flag | true |
| Amendment Description | On December 13, 2021 (the "Closing Date"), TeraWulf Inc. (formerly known as Telluride Holdco, Inc.), a Delaware corporation ("TeraWulf"), completed the previously announced strategic business combination pursuant to the agreement and plan of merger, dated as of June 24, 2021 (as amended, supplemented or otherwise modified prior to the Closing Date, the "Merger Agreement"), by and among TeraWulf, IKONICS Corporation, a Minnesota corporation ("IKONICS"), Telluride Merger Sub I, Inc., a Minnesota corporation ("Merger Sub I"), Telluride Merger Sub II, Inc., a Delaware corporation ("Merger Sub II"), and TeraCub Inc. (formerly known as TeraWulf Inc.), a Delaware corporation ("TeraCub"). Pursuant to the terms of the Merger Agreement, (i) Merger Sub I, a wholly-owned subsidiary of TeraWulf, which was a wholly-owned subsidiary of IKONICS, merged with and into IKONICS (the "First Merger"), with IKONICS surviving the First Merger, and (ii) Merger Sub II, a wholly-owned subsidiary of TeraWulf, merged with and into TeraCub (the "Second Merger" and, together with the First Merger, the "Mergers"), with TeraCub surviving the Second Merger. In connection with or as a result of the First Merger and the Second Merger, each of IKONICS and TeraCub became a wholly-owned subsidiary of TeraWulf. In addition, in connection with the consummation of the Mergers, "Telluride Holdco, Inc." was renamed "TeraWulf Inc.", and "TeraWulf Inc." was renamed "TeraCub Inc.". |
| Document Period End Date | Dec. 13, 2021 |
| Entity File Number | 001-41163 |
| Entity Registrant Name | TERAWULF INC. |
| Entity Central Index Key | 0001083301 |
| Entity Tax Identification Number | 85-1909475 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 9 Federal Street |
| Entity Address, City or Town | Easton |
| Entity Address, State or Province | MD |
| Entity Address, Postal Zip Code | 21601 |
| City Area Code | 410 |
| Local Phone Number | 770-9500 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common stock, $0.001 par value per share |
| Trading Symbol | WULF |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
