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