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Investment Securities - Maturities of Investment Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Amortized Cost [Abstract] |  |
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Amortized Cost | $ 254,176 |
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Amortized Cost | 188,169 |
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Amortized Cost | 205,900 |
Debt Securities, Available-for-sale, Allocated and Single Maturity Date, Maturity, after 10 Years, Amortized Cost | 1,260 |
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Amortized Cost | 649,505 |
Debt Securities, Available-for-sale, Maturity, Amortized Cost, Rolling Maturity [Abstract] |  |
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Amortized Cost | 714,216 |
Amortized Cost | 1,363,721 | $ 1,432,372
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Amortized Cost [Abstract] |  |
Held-to-maturity, One Year or less | 0 |
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after Ten Years, Amortized Cost | 2,286 |
Held-to-maturity | 2,286 | 2,954
Available-For-Sale Securities, Debt Maturities, Single Maturity Date, Fair Value single maturity [Abstract] |  |
AFS Securities, Debt Maturities, Single Maturity Date, Next Twelve Months, Fair Value | 228,736 |
AFS Securities, Debt Maturities, Single Maturity Date, Year Two Through Five, Fair Value | 169,395 |
AFS Securities, Debt Maturities, Single Maturity Date, Year Six Through Ten, Fair Value | 169,843 |
AFS Securities, Debt Maturities, Single Maturity Date, After Ten Years, Fair Value | 1,298 |
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Fair Value | 569,272 |
Debt Securities, Available-for-sale, Maturity, Fair Value, Rolling Maturity [Abstract] |  |
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Fair Value | 602,300 |
Fair Value | 1,171,572 |
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Fair Value [Abstract] |  |
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after Ten Years, Fair Value | 2,286 |
Debt Securities, Held-to-maturity, Fair Value | $ 2,286 | $ 2,954

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- Definition Amortized cost of 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 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479130/326-30-45-1 + Details
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