Crypto Asset Fair Value, Net

No definition available.

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- Definition

Crypto Assets, Collateralized

+ References

No definition available.

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- Definition

Number Of Crypto Assets, Collateralized

+ References

No definition available.

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- Definition

Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Fair value amount of debt instrument that was repurchased.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The effective interest rate during the reporting period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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- Details

Name:	us-gaap_DebtInstrumentAxis=mara_ConvertibleSeniorNotesDueMarch2030AndJune2031Member
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DEBT - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended
DEBT - Narrative (Details) $ in Thousands	Jan. 31, 2026 USD ($) bitcoin	Mar. 31, 2026 USD ($) bitcoin	Mar. 31, 2025 USD ($)	Mar. 30, 2026 USD ($)	Dec. 31, 2025 USD ($) bitcoin	Jul. 25, 2025	Dec. 04, 2024	Nov. 21, 2024	Nov. 20, 2024	Aug. 14, 2024
Debt Instrument [Line Items]
Long-term debt		$ 2,416,169			$ 3,599,927
Long-term debt, due within twelve months		197,908			397,845
Cash and cash equivalents		513,653	$ 196,215		$ 547,132
Net gain from extinguishment of debt		70,557	0
Borrowings from Line of credit		150,000	$ 150,000
Total bitcoin holdings
Debt Instrument [Line Items]
Fair value, net		2,400,000
Bitcoin - receivable
Debt Instrument [Line Items]
Number of crypto assets, collateralized \| bitcoin	3,250
Collateral		334,600
Line of credit
Debt Instrument [Line Items]
Long-term debt		$ 150,000
Number of crypto assets, collateralized \| bitcoin		4,253			5,938
Line of credit \| New Line Of Credit
Debt Instrument [Line Items]
Aggregate principal amount	$ 150,000
Line of credit , interest rate	7.00%
Borrowings from Line of credit		$ 150,000
Convertible Debt \| August 2032 Notes
Debt Instrument [Line Items]
Long-term debt		1,025,000
Principal amount issued		1,025,000
Interest rate						0.00%
Convertible Debt \| September 2031 Notes
Debt Instrument [Line Items]
Long-term debt		300,000
Principal amount issued		300,000
Interest rate										2.125%
Convertible Debt \| December 2026 Notes
Debt Instrument [Line Items]
Long-term debt		48,077
Long-term debt, due within twelve months		48,100
Principal amount issued		747,500
Interest rate								1.00%
Convertible Debt \| June 2031 Notes
Debt Instrument [Line Items]
Long-term debt		291,584
Principal amount issued		925,000
Interest rate							0.00%
Repurchase amount		633,400
Convertible Debt \| March 2030 Notes
Debt Instrument [Line Items]
Long-term debt		632,540
Principal amount issued		1,000,000
Interest rate									0.00%
Repurchase amount				$ 367,500
Convertible Debt \| Convertible Senior Notes Due March 2030 And June 2031
Debt Instrument [Line Items]
Net gain from extinguishment of debt		$ 70,600