Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] |
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Fair Value Measurements at June 30, 2025 Using
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Quoted Prices in
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Active Markets
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Significant Other
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Significant
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for Identical
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Observable Inputs
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Unobservable
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Assets (Level 1)
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(Level 2)
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Inputs (Level 3)
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Total
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Assets Measured on a Recurring Basis:
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(In Thousands) |
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Available for sale debt securities:
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U.S. Treasury securities
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$ |
701,482 |
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$ |
- |
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$ |
- |
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$ |
701,482 |
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Mortgage-backed securities
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- |
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178,151 |
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- |
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178,151 |
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State and municipal securities
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- |
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9,639 |
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- |
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9,639 |
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Corporate debt
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- |
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338,579 |
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- |
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338,579 |
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Total available-for-sale debt securities
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701,482 |
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526,369 |
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- |
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1,227,851 |
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Total assets at fair value
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$ |
701,482 |
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$ |
526,369 |
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$ |
- |
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$ |
1,227,851 |
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Fair Value Measurements at December 31, 2024 Using
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Quoted Prices in
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Active Markets
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Significant Other
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Significant
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for Identical
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Observable Inputs
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Unobservable
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Assets (Level 1)
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(Level 2)
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Inputs (Level 3)
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Total
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Assets Measured on a Recurring Basis:
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(In Thousands) |
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Available for sale debt securities:
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U.S. Treasury securities
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$ |
617,486 |
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$ |
- |
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$ |
- |
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$ |
617,486 |
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Government agency securities
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- |
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- |
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- |
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- |
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Mortgage-backed securities
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- |
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219,274 |
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- |
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219,274 |
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State and municipal securities
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- |
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9,517 |
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- |
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9,517 |
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Corporate debt
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- |
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315,123 |
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- |
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315,123 |
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Total available-for-sale debt securities
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617,486 |
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543,914 |
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- |
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1,161,400 |
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Total assets at fair value
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$ |
617,486 |
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$ |
543,914 |
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$ |
- |
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$ |
1,161,400 |
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Fair Value Measurements, Nonrecurring [Table Text Block] |
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Fair Value Measurements at June 30, 2025
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Quoted Prices in Active Markets for Identical Assets (Level 1)
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Significant Other Observable Inputs (Level 2)
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Significant Unobservable Inputs (Level 3)
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Total
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Assets Measured on a Nonrecurring Basis:
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(In Thousands) |
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Loans individually evaluated
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$ |
- |
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$ |
- |
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$ |
94,792 |
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$ |
94,792 |
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Other real estate owned and repossessed assets
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- |
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- |
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311 |
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311 |
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Total assets at fair value
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$ |
- |
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$ |
- |
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$ |
95,103 |
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$ |
95,103 |
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Fair Value Measurements at December 31, 2024
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Quoted Prices in Active Markets for Identical Assets (Level 1)
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Significant Other Observable Inputs (Level 2)
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Significant Unobservable Inputs (Level 3)
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Total
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Assets Measured on a Nonrecurring Basis:
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(In Thousands) |
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Loans individually evaluated
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$ |
- |
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$ |
- |
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$ |
95,667 |
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$ |
95,667 |
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Other real estate owned and repossessed assets
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- |
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- |
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2,531 |
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2,531 |
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Total assets at fair value
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$ |
- |
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$ |
- |
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$ |
98,198 |
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$ |
98,198 |
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Fair Value, by Balance Sheet Grouping [Table Text Block] |
June 30, 2025
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Carrying / Notional Amount
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Estimated Fair Value
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Quoted Market Prices in an Active Market (Level 1)
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Models with Significant Observable Market Parameters (Level 2)
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Models with Significant Unobservable Market Parameters (Level 3)
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(In Thousands)
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Financial Assets:
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Cash and cash equivalents
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$ |
1,704,904 |
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$ |
1,704,904 |
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$ |
1,704,904 |
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$ |
- |
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$ |
- |
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Held to maturity U.S. Treasury securities
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249,511 |
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236,162 |
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236,162 |
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- |
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- |
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Federal funds sold
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6,000 |
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6,000 |
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- |
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6,000 |
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- |
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Held to maturity debt securities
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436,641 |
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393,443 |
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- |
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393,443 |
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- |
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Mortgage loans held for sale
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22,131 |
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22,131 |
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- |
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22,131 |
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- |
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Restricted equity securities
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12,156 |
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12,156 |
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- |
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12,156 |
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- |
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Held to maturity debt securities
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500 |
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500 |
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- |
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- |
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500 |
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Loans, net
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13,062,601 |
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12,776,566 |
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- |
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- |
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12,776,566 |
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Financial Liabilities:
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Deposits
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$ |
13,862,319 |
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$ |
13,860,040 |
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$ |
- |
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$ |
13,860,040 |
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$ |
- |
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Federal funds purchased
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1,599,135 |
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1,599,135 |
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- |
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1,599,135 |
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- |
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Other borrowings
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64,747 |
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59,669 |
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- |
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59,669 |
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- |
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December 31, 2024
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Carrying / Notional Amount
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Estimated Fair Value
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Quoted Market Prices in an Active Market (Level 1)
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Models with Significant Observable Market Parameters (Level 2)
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Models with Significant Unobservable Market Parameters (Level 3)
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(In Thousands)
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Financial Assets:
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Cash and cash equivalents
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$ |
2,375,589 |
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$ |
2,375,589 |
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$ |
2,375,589 |
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$ |
- |
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$ |
- |
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Held to maturity U.S. Treasury securities
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249,403 |
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229,771 |
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229,771 |
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- |
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- |
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Federal funds sold
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1,045 |
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1,045 |
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- |
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1,045 |
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- |
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Held to maturity debt securities
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465,200 |
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409,475 |
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- |
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409,475 |
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- |
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Mortgage loans held for sale
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9,211 |
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9,211 |
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- |
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9,211 |
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- |
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Restricted equity securities
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11,300 |
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11,300 |
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- |
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11,300 |
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- |
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Held to maturity debt securities
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250 |
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250 |
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- |
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- |
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250 |
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Loans, net
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12,441,378 |
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12,013,721 |
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- |
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- |
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12,013,721 |
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Financial Liabilities:
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Deposits
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$ |
13,543,459 |
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$ |
13,540,438 |
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$ |
- |
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$ |
13,540,438 |
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$ |
- |
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Federal funds purchased
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1,993,728 |
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1,993,728 |
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- |
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1,993,728 |
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- |
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Other borrowings
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|
64,743 |
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|
59,130 |
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|
- |
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|
59,130 |
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|
- |
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|