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Securities & Allowance for Securities Credit Losses - Unrealized Loss Position (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Schedule of Available-for-sale and Held-to-Maturity Securities [Line Items] |  |
Unrealized loss position for less than 12 months, unrealized loss | $ (196) | $ (50)
Unrealized loss position for less than 12 months, fair value | 156,681 | 12,017
Unrealized loss position for more than 12 months, unrealized loss | (6,885) | (10,070)
Unrealized loss position for more than 12 months, fair value | 140,153 | 221,325
Available-for Sale, Gross Unrealized Losses, Total | (7,081) | (10,120)
Available-for Sale, Fair Value of Investments with Unrealized Losses, Total | 296,834 | 233,342
U.S. government and federal agencies |  |
Schedule of Available-for-sale and Held-to-Maturity Securities [Line Items] |  |
Unrealized loss position for less than 12 months, unrealized loss | (29) | (16)
Unrealized loss position for less than 12 months, fair value | 141,169 | 5,860
Unrealized loss position for more than 12 months, unrealized loss | (1,532) | (2,848)
Unrealized loss position for more than 12 months, fair value | 22,348 | 70,906
Available-for Sale, Gross Unrealized Losses, Total | (1,561) | (2,864)
Available-for Sale, Fair Value of Investments with Unrealized Losses, Total | 163,517 | 76,766
Mortgage-backed securities |  |
Schedule of Available-for-sale and Held-to-Maturity Securities [Line Items] |  |
Unrealized loss position for less than 12 months, unrealized loss | 0 | 0
Unrealized loss position for less than 12 months, fair value | 26 | 0
Unrealized loss position for more than 12 months, unrealized loss | (582) | (609)
Unrealized loss position for more than 12 months, fair value | 7,338 | 8,604
Available-for Sale, Gross Unrealized Losses, Total | (582) | (609)
Available-for Sale, Fair Value of Investments with Unrealized Losses, Total | 7,364 | 8,604
Corporate Bonds |  |
Schedule of Available-for-sale and Held-to-Maturity Securities [Line Items] |  |
Unrealized loss position for less than 12 months, unrealized loss | (90) | (3)
Unrealized loss position for less than 12 months, fair value | 6,365 | 2,482
Unrealized loss position for more than 12 months, unrealized loss | (663) | (1,834)
Unrealized loss position for more than 12 months, fair value | 30,677 | 51,987
Available-for Sale, Gross Unrealized Losses, Total | (753) | (1,837)
Available-for Sale, Fair Value of Investments with Unrealized Losses, Total | 37,042 | 54,469
State and municipal securities |  |
Schedule of Available-for-sale and Held-to-Maturity Securities [Line Items] |  |
Unrealized loss position for less than 12 months, unrealized loss | (77) | (31)
Unrealized loss position for less than 12 months, fair value | 9,121 | 3,675
Unrealized loss position for more than 12 months, unrealized loss | (4,108) | (4,779)
Unrealized loss position for more than 12 months, fair value | 79,790 | 89,828
Available-for Sale, Gross Unrealized Losses, Total | (4,185) | (4,810)
Available-for Sale, Fair Value of Investments with Unrealized Losses, Total | $ 88,911 | $ 93,503

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