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Investment Securities - Schedule of Bond Ratings For Held-to-Maturity Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items] |  |
Held to maturity, amortized cost | $ 925,198 | $ 972,207
Obligations of state and political subdivisions |  |
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items] |  |
Held to maturity, amortized cost | 62,034 | 62,500
Corporate bonds |  |
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items] |  |
Held to maturity, amortized cost | 30,000 | 30,000
Moody's And/Or Standard & Poor's AAA Rating | Obligations of state and political subdivisions |  |
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items] |  |
Held to maturity, amortized cost | 42,577 | 42,986
Moody's And/Or Standard & Poor's AAA Rating | Corporate bonds |  |
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items] |  |
Held to maturity, amortized cost | 0 | 0
Moody's And/Or Standard & Poor's AA Rating | Obligations of state and political subdivisions |  |
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items] |  |
Held to maturity, amortized cost | 19,457 | 19,514
Moody's And/Or Standard & Poor's AA Rating | Corporate bonds |  |
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items] |  |
Held to maturity, amortized cost | 0 | 0
Moody's And/Or Standard & Poor's A Rating | Obligations of state and political subdivisions |  |
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items] |  |
Held to maturity, amortized cost | 0 | 0
Moody's And/Or Standard & Poor's A Rating | Corporate bonds |  |
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items] |  |
Held to maturity, amortized cost | $ 30,000 | $ 30,000

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