Equity and Other Investments and Fair Value Measurements - Equity Investment in InCarda (Details) - InCarda - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2025	Dec. 31, 2024
Equity Investment
Maximum number of additional shares into which warrants may be converted under the securities purchase agreement	2,490,033
Consolidated Investees [Member]
Equity Investment
Equity investment ownership percentage	9.10%
Convertible Notes
Equity Investment
Equity and long-term investments at fair value	$ 0.9	$ 0.4
InCarda 2025 Convertible Note
Equity Investment
Amount of securities purchase agreement	0.5
InCarda 2024 Convertible Note
Equity Investment
Amount of securities purchase agreement	$ 0.4
Common and preferred stock
Equity Investment
Number of shares to be purchased under the securities purchase agreement	36,742,250
InCarda warrants
Equity Investment
Equity and long-term investments at fair value	$ 0.1	0.1
Series C preferred stock
Equity Investment
Equity and long-term investments at fair value	4.8	4.8
Series D 1 And D 2 Preferred Stock And Common Stock
Equity Investment
Equity and long-term investments at fair value	$ 2.7	$ 2.7

The number of warrants issued or sold by the subsidiary or equity method investee per stock transaction.

No definition available.

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- Definition

The amount the Company agreed to pay for common stock and warrants upon satisfaction of certain closing conditions under the terms of the securities purchase agreement.

+ References

No definition available.

+ Details

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

+ Details

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483467/210-10-45-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482736/825-10-45-1A

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- Definition

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.

+ References

No definition available.

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

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