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Tax Credit Equity Investments (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Schedule of Equity Method Investments [Line Items] |  |  |
Decrease in Retained earnings | $ (1,039,035) | $ (959,604) |
Decrease in other assets | (262,342) | (266,416) |
Amortization | 4,300 | 2,000 | $ 1,400
Tax credits and other tax benefits recognized | 4,600 |  |
Impairment losses | $ 0 |  |
Low income housing, tax credits |  | $ 2,600 | $ 1,200
Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization, Statement of Cash Flows [Extensible Enumeration] | Income tax benefit |  |
Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Cash Flows [Extensible Enumeration] | Income tax benefit |  |
Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization, Statement of Income or Comprehensive Income [Extensible Enumeration] | Other taxes | Other taxes | Other taxes
Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration] | Income tax benefit |  |
Accounting Standards Update 2023-02 |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Tax credit investment balances | $ 40,600 |  |
Unfunded commitments | $ 5,900 |  |
Cumulative Effect, Period of Adoption, Adjustment | Accounting Standards Update 2023-02 |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Decrease in Retained earnings |  | $ 1,000 |
Decrease in other assets |  | $ 1,000 |

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