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Investment Securities - Narrative (Details) | 12 Months Ended
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Dec. 31, 2023 USD ($) security | Dec. 31, 2022 USD ($) security | Dec. 31, 2021 USD ($)
Investments, Debt and Equity Securities [Abstract] |  |  |
Available-for-sale securities, number of positions | security | 275 | 311 |
Available-for-sale securities, percentage of total securities | 98.90% | 91.70% |
Available-for-sale securities, number of positions, greater than one year | security | 210,000 |  |
Available-for-sale, securities in unrealized loss positions, greater than one year, percentage | 75.50% |  |
Restricted securities | $ 0 |  |
Proceeds from sales of securities available-for-sale | 111,583,000 | $ 3,838,000 | $ 63,774,000
Available-for-sale securities, gross realized gains | 187,000 | 15,000 | 55,000
Available-for-sale securities, gross realized losses | $ 360,000 | $ 0 | $ 4,000

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- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without an allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-4 + Details
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- Definition Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-9 + Details
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