Fair Value Measurements (Details) - Fair Value, Recurring - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Assets
Digital assets held for users	$ 47,951
Derivative instruments	46,833	$ 3,850
Equity securities	32,683	27,200
Assets	329,027	581,219
Liabilities
Private warrants	19,877	26,911
Digital assets held for users	47,951
Liabilities	67,828	26,911
Level 1
Assets
Digital assets held for users	0
Derivative instruments	0	0
Equity securities	19,150	27,200
Assets	220,710	577,369
Liabilities
Private warrants	0	0
Digital assets held for users	0
Liabilities	0	0
Level 2
Assets
Digital assets held for users	47,951
Derivative instruments	0	0
Equity securities	13,533	0
Assets	61,484	0
Liabilities
Private warrants	19,877	26,911
Digital assets held for users	47,951
Liabilities	67,828	26,911
Level 3
Assets
Digital assets held for users	0
Derivative instruments	46,833	3,850
Equity securities	0	0
Assets	46,833	3,850
Liabilities
Private warrants	0	0
Digital assets held for users	0
Liabilities	0	0
Money Market Funds
Assets
Cash equivalents	201,560	550,169
Money Market Funds \| Level 1
Assets
Cash equivalents	201,560	550,169
Money Market Funds \| Level 2
Assets
Cash equivalents	0	0
Money Market Funds \| Level 3
Assets
Cash equivalents	$ 0	$ 0

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as noncurrent.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 1A
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Fair value of financial and nonfinancial obligations.

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Fair value portion of other assets.

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Fair value portion of other liabilities.

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Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

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