Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Operating Activities
Net Income	$ 91,622	$ 70,474
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Provision for Credit Losses	6,500	4,400
Depreciation and Amortization	9,421	10,388
Amortization of Deferred Loan and Lease (Fees) Costs, Net	(672)	69
Amortization and Accretion of Premiums/Discounts on Investment Securities, Net	5,871	6,229
Amortization of Operating Lease Right-of-Use Assets	5,735	5,868
Share-Based Compensation	7,517	7,505
Benefit Plan Contributions	(1,023)	(1,057)
Net Gains on Sales of Loans and Leases	(1,302)	(1,055)
Proceeds from Sales of Loans Held for Sale	12,957	21,355
Originations of Loans Held for Sale	(12,590)	(20,750)
Net Change in Other Assets and Other Liabilities	(24,036)	(2,362)
Net Cash Provided by Operating Activities	100,000	101,064
Investment Securities Available-for-Sale:
Proceeds from Prepayments and Maturities	148,483	107,158
Purchases	(517,104)	(1,097)
Investment Securities Held-to-Maturity:
Proceeds from Prepayments and Maturities	184,959	192,708
Net Change in Loans and Leases	58,108	130,649
Purchases of Premises and Equipment	(17,162)	(7,852)
Net Cash (Used in) Provided by Investing Activities	(142,716)	421,566
Financing Activities
Net Change in Deposits	165,877	(646,542)
Repayments of Long-Term Debt	(50,048)	(50,054)
Proceeds from Issuance of Preferred Stock	0	160,614
Proceeds from Issuance of Common Stock	2,609	2,796
Repurchase of Common Stock	(3,600)	(4,995)
Cash Dividends Paid on Common Stock	(56,472)	(56,117)
Cash Dividends Paid on Preferred Stock	(10,538)	(3,938)
Net Cash Provided by (Used in) Financing Activities	47,828	(598,236)
Net Change in Cash and Cash Equivalents	5,112	(75,606)
Cash and Cash Equivalents at Beginning of Period	763,571	1,000,944
Cash and Cash Equivalents at End of Period	768,683	925,338
Supplemental Information
Cash Paid for Interest	185,398	198,847
Cash Paid for Income Taxes	11,200	18,735
Non-Cash Investing and Financing Activities:
Transfer from Loans to Foreclosed Real Estate	$ 217	$ 574