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Securities - Carrying value of other investment securities (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
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Other investment securities |  |
Carrying Value | $ 345,695 | $ 223,613
Federal Home Loan Bank stock |  |
Other investment securities |  |
Carrying Value | 25,209 | 18,087
Federal Reserve Bank Stock |  |
Other investment securities |  |
Carrying Value | 232,474 | 150,261
Investment in unconsolidated subsidiaries |  |
Other investment securities |  |
Carrying Value | 5,287 | 3,563
Other investment securities |  |
Other investment securities |  |
Carrying Value | $ 82,725 | $ 51,702

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- Definition Amount of investments classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(12)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(3)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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