Investments - Schedule of Marketable Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Investment Securities - fair value
Cost	$ 45,356	$ 74,227
Fair Value	49,700	76,462
Sponsored funds
Investment Securities - fair value
Cost	27,146	51,993
Fair Value	27,923	51,013
Equity securities
Investment Securities - fair value
Cost	15,424	19,703
Fair Value	19,004	22,903
Debt securities
Investment Securities - fair value
Cost	2,786	2,531
Fair Value	$ 2,773	$ 2,546

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480657/210-10-S50-1

Reference 2: 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

Reference 3: 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 4: 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

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