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v3.25.3

Securities - Schedule of Amortized Cost and Fair Value of Investment Securities (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Marketable Securities [Line Items] |  |
Available for Sale, Amortized Cost | $ 334,356 | $ 339,016
Available for Sale, Gross Unrealized Gains | 1,813 | 2,157
Available for Sale, Gross Unrealized Losses | (3,800) | (4,213)
Available for Sale | 332,369 | 336,960
Held to Maturity, Amortized Cost | 9,900,093 | 10,757,464
Held to Maturity, Gross Unrealized Gains | 9,708 | 600
Held to Maturity, Gross Unrealized Losses | (928,129) | (1,375,585)
Held to Maturity | 8,981,672 | 9,382,479
Corporate Debt Securities [Member] |  |
Marketable Securities [Line Items] |  |
Available for Sale, Amortized Cost | 7,935 | 14,350
Available for Sale, Gross Unrealized Gains | 1,725 | 2,035
Available for Sale, Gross Unrealized Losses |  | (60)
Available for Sale | 9,660 | 16,325
Held to Maturity, Amortized Cost | 12,000 | 12,000
Held to Maturity, Gross Unrealized Losses | (2,160) | (3,840)
Held to Maturity | 9,840 | 8,160
Collateralized Mortgage Obligations [Member] |  |
Marketable Securities [Line Items] |  |
Available for Sale, Amortized Cost | 220,188 | 216,142
Available for Sale, Gross Unrealized Gains |  | 81
Available for Sale, Gross Unrealized Losses | (2,999) | (3,233)
Available for Sale | 217,189 | 212,990
Held to Maturity, Amortized Cost | 231,085 | 232,345
Held to Maturity, Gross Unrealized Gains | 835 |
Held to Maturity, Gross Unrealized Losses | (12,483) | (24,128)
Held to Maturity | 219,437 | 208,217
Mortgage-backed Securities [Member] |  |
Marketable Securities [Line Items] |  |
Available for Sale, Amortized Cost | 106,233 | 108,524
Available for Sale, Gross Unrealized Gains | 88 | 41
Available for Sale, Gross Unrealized Losses | (801) | (920)
Available for Sale | 105,520 | 107,645
Held to Maturity, Amortized Cost | 9,580,644 | 10,409,133
Held to Maturity, Gross Unrealized Gains | 8,479 | 380
Held to Maturity, Gross Unrealized Losses | (912,055) | (1,345,063)
Held to Maturity | 8,677,068 | 9,064,450
U.S. Government Agencies [Member] |  |
Marketable Securities [Line Items] |  |
Held to Maturity, Amortized Cost | 5,989 | 5,861
Held to Maturity, Gross Unrealized Gains | 4 |
Held to Maturity, Gross Unrealized Losses | (1) | (44)
Held to Maturity | 5,992 | 5,817
States and Political Subdivisions [Member] |  |
Marketable Securities [Line Items] |  |
Held to Maturity, Amortized Cost | 70,375 | 98,125
Held to Maturity, Gross Unrealized Gains | 390 | 220
Held to Maturity, Gross Unrealized Losses | (1,430) | (2,510)
Held to Maturity | $ 69,335 | $ 95,835

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