Income Taxes, Deferred Tax Assets and Liabilities Resulted in Deferred Taxes Table (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Deferred Tax Assets, Gross [Abstract]
Deferred Tax Asset, Tax Deferred Expense, Reserve and Accrual, Financing Receivable, Allowance for Credit Loss	$ 89,295	$ 83,378
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other	9,840	8,933
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities	26,109	14,089
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits	30,404	28,429
Tax Credit Carryforward, Amount	18,160	8,849
Deferred Tax Assets, Other Loss Carryforwards	4,187	9,068
Deferred Tax Assets, Capital Loss Carryforwards	29,325	0
Deferred Tax Asset, Interest Carryforward	1,269	901
Deferred Tax Assets, Partnerships	37,781	2,365
Deferred Tax Assets, Leasing Arrangements	8,881	6,785
Deferred Tax Asset, Debt Securities, Available-for-Sale, Unrealized Loss	(16,228)	(48,632)
Deferred Tax Asset, Net Unrealized Losses on Benefit Plans	7,995	8,506
Deferred Tax Assets, Other	3,353	9,403
Deferred Tax Assets, Gross, Total	282,828	229,338
Deferred Tax Assets, Valuation Allowance	32,702	0	$ 0
Deferred Tax Assets, Net of Valuation Allowance	250,126	229,338
Deferred Tax Liabilities, Gross [Abstract]
Deferred Tax Liabilities, Prepaid Expenses	83,251	66,381
Deferred Tax Liabilities, Goodwill and Intangible Assets	22,376	22,161
Deferred Tax Liabilities, Mortgage Servicing Rights	21,877	20,799
Loans and Leases Receivable, Deferred Income	7,836	8,097
State income taxes	0	1,387
Deferred Tax Liabilities, Leasing Arrangements	13,213	15,297
Deferred Tax Liabilities, Property, Plant and Equipment	30,534	20,389
Purchase accounting	6,246	7,898
Deferred Tax Liability, Basis Difference From Equity Securities and Other Investments	3,104	7,593
Deferred Tax Liabilities, Other	0	1,207
Deferred Tax Liabilities, Gross, Total	188,437	171,209
Deferred Tax Assets, Net	$ 61,689	$ 58,129