Investment Securities - Schedule of Gross Gains and Gross Losses Realized and Impairment on Investment Securities (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Investments, Debt and Equity Securities [Abstract]
Realized gains on investment securities	$ 263	$ 3,563	$ 926	$ 3,846
Realized losses on investment securities	(69)	(2,689)	(185)	(3,313)
Net realized gains on investment securities	194	874	741	533
Unrealized gains on equity securities with readily determinable fair value	436	3,352	2,322	8,689
Unrealized losses on equity securities with readily determinable fair value	(1,693)	(684)	(2,312)	(741)
Net unrealized (losses) gains on equity securities with readily determinable fair value	(1,257)	2,668	10	7,948
Downward adjustments of equity securities without readily determinable fair values	0	0	0	(20)
Impairment of equity securities without readily determinable fair values	(558)	(570)	(558)	(1,643)
Adjustment and impairment, net, of equity securities without readily determinable fair values	(558)	(570)	(558)	(1,663)
(Losses) gains on investment securities, net	$ (1,621)	$ 2,972	$ 193	$ 6,818

Amount of unrealized gain on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-4

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Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(3)(d)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-4

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Amount of unrealized loss on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of loss from downward price adjustment on investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-3

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Amount of impairment loss on investment in equity security without readily determinable fair value.

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Amount of realized gain (loss) on investment in marketable security.

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Marketable Securities, Gain (Loss), Including Other-Than-Temporary Impairment Loss

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Gross realized gains on marketable securities.

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Gross losses on marketable securities

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Securities Owned Not Readily Marketable, Period Increase (Decrease)

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