Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024
Operating Activities
Net Income	$ 144,967	$ 110,832
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Provision for Credit Losses	9,000	7,400
Depreciation and Amortization	14,219	15,441
Amortization of Deferred Loan and Lease Fees, Net	(980)	(160)
Amortization and Accretion of Premiums/Discounts on Investment Securities, Net	8,769	9,257
Amortization of Operating Lease Right-of-Use Assets	8,659	8,699
Share-Based Compensation	11,680	11,051
Benefit Plan Contributions	(1,594)	(1,593)
Net Gains on Sales of Loans and Leases	(1,781)	(1,793)
Proceeds from Sales of Loans Held for Sale	17,585	42,356
Originations of Loans Held for Sale	(16,536)	(43,927)
Net Change in Other Assets and Other Liabilities	(55,498)	(76,828)
Net Cash Provided by Operating Activities	138,490	80,735
Investment Securities Available-for-Sale:
Proceeds from Prepayments and Maturities	221,883	158,981
Purchases	(738,122)	(237,059)
Investment Securities Held-to-Maturity:
Proceeds from Prepayments and Maturities	290,191	299,561
Net Change in Loans and Leases	37,859	40,884
Purchases of Premises and Equipment	(25,832)	(12,486)
Net Cash (Used in) Provided by Investing Activities	(214,021)	249,881
Financing Activities
Net Change in Deposits	447,632	(76,723)
Repayments of Long-Term Debt	(50,073)	(50,081)
Proceeds from Issuance of Preferred Stock	0	160,614
Proceeds from Issuance of Common Stock	3,901	4,118
Repurchase of Common Stock	(3,735)	(5,141)
Cash Dividends Paid on Common Stock	(84,735)	(84,209)
Cash Dividends Paid on Preferred Stock	(15,807)	(7,375)
Net Cash Provided by (Used in) Financing Activities	297,183	(58,797)
Net Change in Cash and Cash Equivalents	221,652	271,819
Cash and Cash Equivalents at Beginning of Period	763,571	1,000,944
Cash and Cash Equivalents at End of Period	985,223	1,272,763
Supplemental Information
Cash Paid for Interest	275,583	298,722
Cash Paid for Income Taxes	21,190	23,832
Non-Cash Investing and Financing Activities:
Transfer from Loans to Foreclosed Real Estate	$ 217	$ 708

The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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No definition available.