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Investment Securities - Schedule of Gross Gains and Gross Losses Realized and Impairment on Investment Securities (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Investments, Debt and Equity Securities [Abstract] |  |  |  |
Realized gains on investment securities | $ 94 | $ 1,325 | $ 283 | $ 2,360
Realized losses on investment securities | (263) | (21) | (624) | (129)
Net realized (losses) gains on investment securities | (169) | 1,304 | (341) | 2,231
Unrealized gains on equity securities with readily determinable fair value | 1,892 | 74 | 5,337 | 1,108
Unrealized losses on equity securities with readily determinable fair value | 0 | (1,931) | (57) | (2,564)
Net unrealized gains on equity securities with readily determinable fair value | 1,892 | (1,857) | 5,280 | (1,456)
Downward adjustments of equity securities without readily determinable fair values | 0 | 0 | (20) | 0
Impairment of equity securities without readily determinable fair values | (1,073) | (3,729) | (1,073) | (3,731)
Adjustment and impairment, net, of equity securities without readily determinable fair values | (1,073) | (3,729) | (1,093) | (3,731)
Gains (losses) on investment securities, net | $ 650 | $ (4,282) | $ 3,846 | $ (2,956)

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- Definition Amount of unrealized gain 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 321 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479536/321-10-50-4 + Details
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- Definition 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 + Details
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