Cash And Cash Equivalents Segregated For Corporate-held Stablecoins

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- Definition

Crypto Asset, Number of Units Authorized for Issuance

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Platform Operator, Crypto Assets

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- Definition

Share-Based Compensation Arrangement by Share-Based Payment Award, Award Expiration Period

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- Definition

Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Annual Percentage Increase to Shares Available for Grant

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- Definition

Share-Based Compensation Arrangement By Share-based Payment Award, Offering Period

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- Definition

Share-Based Payment Arrangement, Option, Exercise Price, Percentage Of Fair Value Of Common Stock, Minimum

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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

Cash deposited in a special reserve account for the exclusive benefit of customers pursuant to regulations other than SEC Regulations and the Commodity Exchange Act.

+ References

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-Subparagraph (1)
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- Definition

Net asset value per share or per unit of investments in certain entities that calculate net asset value per share. Includes, but is not limited to, by unit, membership interest, or other ownership interest. Investment includes, but is not limited to, investment in certain hedge funds, venture capital funds, private equity funds, real estate partnerships or funds. Excludes fair value disclosure.

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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- Definition

Discount rate from fair value on purchase date that participants pay for shares.

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Summary of significant accounting policies (Details) $ / shares in Units, $ in Thousands		3 Months Ended	9 Months Ended
	Sep. 14, 2026 token	Jun. 30, 2026 token	Sep. 30, 2026 USD ($) segment $ / shares	Dec. 31, 2025 USD ($) $ / shares	Sep. 30, 2025 USD ($)
Platform Operator, Crypto Asset [Line Items]
Cash and cash equivalents			$ 1,699,951	$ 1,526,046	$ 1,348,901
Net asset value (in dollars per share) \| $ / shares			$ 1.00	$ 1.00
Cash and cash equivalents segregated for corporate-held stablecoins			$ 1,016,461	$ 822,963	$ 837,143
ESPP discount percentage from market price, beginning of purchase period (in percent)			15.00%
Offering period			6 months
Number of reportable segments \| segment			1
ARC Tokens
Platform Operator, Crypto Asset [Line Items]
Crypto asset, number of tokens authorized for issuance \| token	10	807,500,000
US Treasury Securities
Platform Operator, Crypto Asset [Line Items]
Cash and cash equivalents			$ 335,500
2025 Omnibus Incentive Plan
Platform Operator, Crypto Asset [Line Items]
Aggregate number of shares of all classes of our common stock outstanding (in percent)			5.00%
2025 Employee Stock Purchase Plan
Platform Operator, Crypto Asset [Line Items]
Aggregate number of shares of all classes of our common stock outstanding (in percent)			1.00%
Share-based payment arrangement, option, exercise price, percentage of fair value of common stock, minimum (in percent)			1.000
Award expiration period (in years)			10 years
Fair Value Measured at Net Asset Value Per Share
Platform Operator, Crypto Asset [Line Items]
Cash and cash equivalents segregated for the benefit of stablecoin holders			$ 62,500,000	66,300,000
Cash and cash equivalents segregated for corporate-held stablecoins			$ 1,800,000	$ 0