Marathon Digital Holdings Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details Narrative) - shares							12 Months Ended
Subsequent Events (Details Narrative) - shares	Apr. 01, 2021	Feb. 11, 2021	Feb. 05, 2021	May 05, 2020	Nov. 15, 2019	Jan. 02, 2018	Dec. 31, 2020
Common stock shares issued during period					1,058,558		474,808
Number of shares issued, exercise of warrant			2,044
2018 Equity Incentive Plan [Member]
Common stock shares issued during period		4,701,442				625,000
Restricted Stock Units (RSUs) [Member] \| 2018 Equity Incentive Plan [Member]
Common stock shares issued during period			99,520	565,829
Subsequent Event [Member] \| Restricted Stock Units (RSUs) [Member]
Common stock shares issued during period	665,349