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Fair Value of Assets and Liabilities - Balances of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Assets: |  |
Available-for-Sale: Fair Value | $ 2,689,528 | $ 2,408,933
Loans Held for Sale | 2,150 | 3,124
Derivatives | 161,473 | 95,069
Debt Securities Issued by States and Political Subdivisions |  |
Assets: |  |
Available-for-Sale: Fair Value | 63,859 | 63,806
Debt Securities Issued by Government-Sponsored Enterprises |  |
Assets: |  |
Available-for-Sale: Fair Value | 1,464 | 1,476
Debt Securities Issued by Corporations |  |
Assets: |  |
Available-for-Sale: Fair Value | 671,675 | 657,701
Mortgage-Backed Securities |  |
Assets: |  |
Available-for-Sale: Fair Value | 484,764 | 564,091
Fair Value, Measurements, Recurring |  |
Assets: |  |
Available-for-Sale: Fair Value | 2,689,528 | 2,408,933
Loans Held for Sale | 2,150 | 3,124
Mortgage Servicing Rights | 647 | 678
Other Assets | 18,155 | 13,448
Derivatives | 161,473 | 95,069
Total Assets Measured at Fair Value on a Recurring Basis | 2,871,953 | 2,521,252
Liabilities: |  |
Derivatives | $ 154,060 | $ 143,857
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | Other Liabilities | Other Liabilities
Total Liabilities Measured at Fair Value on a Recurring Basis | $ 154,060 | $ 143,857
Fair Value, Measurements, Recurring | Debt Securities Issued by the U.S. Treasury and Government Agencies |  |
Assets: |  |
Available-for-Sale: Fair Value | 249,072 | 212,573
Fair Value, Measurements, Recurring | Debt Securities Issued by States and Political Subdivisions |  |
Assets: |  |
Available-for-Sale: Fair Value | 63,859 | 63,806
Fair Value, Measurements, Recurring | Debt Securities Issued by Government-Sponsored Enterprises |  |
Assets: |  |
Available-for-Sale: Fair Value | 1,464 | 1,476
Fair Value, Measurements, Recurring | Debt Securities Issued by Corporations |  |
Assets: |  |
Available-for-Sale: Fair Value | 671,675 | 657,701
Fair Value, Measurements, Recurring | Commercial - Government Agencies or Sponsored Agencies |  |
Assets: |  |
Available-for-Sale: Fair Value | 283,474 | 134,923
Fair Value, Measurements, Recurring | Residential - Collateralized U.S. Government-Sponsored Enterprises |  |
Assets: |  |
Available-for-Sale: Fair Value | 935,220 | 774,363
Fair Value, Measurements, Recurring | Residential - U.S. Government-Sponsored Enterprises |  |
Assets: |  |
Available-for-Sale: Fair Value | 484,764 | 564,091
Fair Value, Measurements, Recurring | Mortgage-Backed Securities |  |
Assets: |  |
Available-for-Sale: Fair Value | 1,218,694 | 909,286
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) |  |
Assets: |  |
Available-for-Sale: Fair Value | 150,389 | 146,214
Loans Held for Sale | 0 | 0
Mortgage Servicing Rights | 0 | 0
Other Assets | 18,155 | 13,448
Derivatives | 0 | 0
Total Assets Measured at Fair Value on a Recurring Basis | 168,544 | 159,662
Liabilities: |  |
Derivatives | $ 0 | $ 0
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | Other Liabilities | Other Liabilities
Total Liabilities Measured at Fair Value on a Recurring Basis | $ 0 | $ 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) | Debt Securities Issued by the U.S. Treasury and Government Agencies |  |
Assets: |  |
Available-for-Sale: Fair Value | 150,389 | 146,214
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) | Debt Securities Issued by States and Political Subdivisions |  |
Assets: |  |
Available-for-Sale: Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) | Debt Securities Issued by Government-Sponsored Enterprises |  |
Assets: |  |
Available-for-Sale: Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) | Debt Securities Issued by Corporations |  |
Assets: |  |
Available-for-Sale: Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) | Commercial - Government Agencies or Sponsored Agencies |  |
Assets: |  |
Available-for-Sale: Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) | Residential - Collateralized U.S. Government-Sponsored Enterprises |  |
Assets: |  |
Available-for-Sale: Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) | Residential - U.S. Government-Sponsored Enterprises |  |
Assets: |  |
Available-for-Sale: Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1) | Mortgage-Backed Securities |  |
Assets: |  |
Available-for-Sale: Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) |  |
Assets: |  |
Available-for-Sale: Fair Value | 2,539,139 | 2,262,719
Loans Held for Sale | 2,150 | 3,124
Mortgage Servicing Rights | 0 | 0
Other Assets | 0 | 0
Derivatives | 161,439 | 94,921
Total Assets Measured at Fair Value on a Recurring Basis | 2,702,728 | 2,360,764
Liabilities: |  |
Derivatives | $ 154,060 | $ 143,857
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | Other Liabilities | Other Liabilities
Total Liabilities Measured at Fair Value on a Recurring Basis | $ 154,060 | $ 143,857
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Debt Securities Issued by the U.S. Treasury and Government Agencies |  |
Assets: |  |
Available-for-Sale: Fair Value | 98,683 | 66,359
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Debt Securities Issued by States and Political Subdivisions |  |
Assets: |  |
Available-for-Sale: Fair Value | 63,859 | 63,806
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Debt Securities Issued by Government-Sponsored Enterprises |  |
Assets: |  |
Available-for-Sale: Fair Value | 1,464 | 1,476
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Debt Securities Issued by Corporations |  |
Assets: |  |
Available-for-Sale: Fair Value | 671,675 | 657,701
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Commercial - Government Agencies or Sponsored Agencies |  |
Assets: |  |
Available-for-Sale: Fair Value | 283,474 | 134,923
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Residential - Collateralized U.S. Government-Sponsored Enterprises |  |
Assets: |  |
Available-for-Sale: Fair Value | 935,220 | 774,363
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Residential - U.S. Government-Sponsored Enterprises |  |
Assets: |  |
Available-for-Sale: Fair Value | 484,764 | 564,091
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Mortgage-Backed Securities |  |
Assets: |  |
Available-for-Sale: Fair Value | 1,218,694 | 909,286
Fair Value, Measurements, Recurring | Significant Other Unobservable Inputs (Level 3) |  |
Assets: |  |
Available-for-Sale: Fair Value | 0 | 0
Loans Held for Sale | 0 | 0
Mortgage Servicing Rights | 647 | 678
Other Assets | 0 | 0
Derivatives | 34 | 148
Total Assets Measured at Fair Value on a Recurring Basis | 681 | 826
Liabilities: |  |
Derivatives | $ 0 | $ 0
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | Other Liabilities | Other Liabilities
Total Liabilities Measured at Fair Value on a Recurring Basis | $ 0 | $ 0
Fair Value, Measurements, Recurring | Significant Other Unobservable Inputs (Level 3) | Debt Securities Issued by the U.S. Treasury and Government Agencies |  |
Assets: |  |
Available-for-Sale: Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Other Unobservable Inputs (Level 3) | Debt Securities Issued by States and Political Subdivisions |  |
Assets: |  |
Available-for-Sale: Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Other Unobservable Inputs (Level 3) | Debt Securities Issued by Government-Sponsored Enterprises |  |
Assets: |  |
Available-for-Sale: Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Other Unobservable Inputs (Level 3) | Debt Securities Issued by Corporations |  |
Assets: |  |
Available-for-Sale: Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Other Unobservable Inputs (Level 3) | Commercial - Government Agencies or Sponsored Agencies |  |
Assets: |  |
Available-for-Sale: Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Other Unobservable Inputs (Level 3) | Residential - Collateralized U.S. Government-Sponsored Enterprises |  |
Assets: |  |
Available-for-Sale: Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Other Unobservable Inputs (Level 3) | Residential - U.S. Government-Sponsored Enterprises |  |
Assets: |  |
Available-for-Sale: Fair Value | 0 | 0
Fair Value, Measurements, Recurring | Significant Other Unobservable Inputs (Level 3) | Mortgage-Backed Securities |  |
Assets: |  |
Available-for-Sale: Fair Value | $ 0 | $ 0

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