Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating Activities
Net Income	$ 70,474	$ 92,903
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Provision for Credit Losses	4,400	4,500
Depreciation and Amortization	10,388	11,525
Amortization of Deferred Loan and Lease Costs, Net	69	444
Amortization and Accretion of Premiums/Discounts on Investment Securities, Net	6,229	6,742
Amortization of Operating Lease Right-of-Use Assets	5,868	5,808
Share-Based Compensation	7,505	7,672
Benefit Plan Contributions	(1,057)	(949)
Deferred Income Taxes	(4,245)	(734)
Net Gains on Sales of Loans and Leases	(1,055)	(1,275)
Net Losses on Sales of Investment Securities	3,098	3,102
Proceeds from Sales of Loans Held for Sale	21,355	19,107
Originations of Loans Held for Sale	(20,750)	(21,853)
Net Tax Deficiency from Share-Based Compensation	(1,258)	(490)
Net Change in Other Assets and Other Liabilities	3,141	(145,871)
Net Cash Provided by (Used in) Operating Activities	104,162	(19,369)
Investment Securities Available-for-Sale:
Proceeds from Prepayments and Maturities	104,060	174,574
Purchases	(1,097)	(246)
Investment Securities Held-to-Maturity:
Proceeds from Prepayments and Maturities	192,708	220,415
Net Change in Loans and Leases	130,649	(270,751)
Purchases of Premises and Equipment	(7,852)	(5,046)
Net Cash Provided by Investing Activities	418,468	118,946
Financing Activities
Net Change in Deposits	(646,542)	(107,081)
Net Change in Short-Term Borrowings	(50,000)
Proceeds from Long-Term Debt		1,350,000
Repayments of Long-Term Debt	(54)	(51)
Net Proceeds from Issuance of Preferred Stock	160,614
Proceeds from Issuance of Common Stock	2,796	2,973
Repurchase of Common Stock	(4,995)	(13,931)
Cash Dividends Paid on Common Stock	(56,117)	(55,874)
Cash Dividends Paid on Preferred Stock	(3,938)	(3,938)
Net Cash (Used in) Provided by Financing Activities	(598,236)	1,172,098
Net Change in Cash and Cash Equivalents	(75,606)	1,271,675
Cash and Cash Equivalents at Beginning of Period	1,000,944	401,767
Cash and Cash Equivalents at End of Period	925,338	1,673,442
Supplemental Information
Cash Paid for Interest	198,847	110,741
Cash Paid for Income Taxes	18,735	30,623
Non-Cash Investing and Financing Activities:
Transfer from Loans to Foreclosed Real Estate	$ 574
Transfer from Loans Held for Sale to Loans		$ 569