Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 184,699,000	$ 186,770,000
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	27,575,000	29,528,000
Change In Unamortized Net Loan Costs And Premiums	(1,199,000)	(6,397,000)
Accretion of acquired loans	(1,057,000)	(65,000)
Provision for credit losses	17,750,000	1,000,000
Deferred income tax expense	13,000	271,000
Equity Securities, FV-NI, Gain (Loss)	(272,000)	2,819,000
Gain (Loss) on Disposition of Property Plant Equipment	304,000	217,000
Sale and Leaseback Transaction, Gain (Loss), Net	193,000	433,000
Stock based compensation	4,721,000	3,483,000
Increase in cash surrender value of life insurance policies	(5,786,000)	(5,549,000)
Gain Realized on Life Insurance Policies	(2,111,000)	(600,000)
Operating Lease, Payments	(10,381,000)	(15,867,000)
Change in Fair Value on Loans Held for Sale	31,000	620,000
Net change in:
Trading assets	(588,000)	182,000
Loans held for sale	(1,226,000)	18,959,000
Other assets	(2,317,000)	32,252,000
Increase (Decrease) in Other Operating Liabilities	13,526,000	58,669,000
Total adjustments	38,790,000	119,089,000
Net cash provided by operating activities	223,489,000	305,859,000
Proceeds from Sale of Debt and Equity Securities, FV-NI, Held-for-investment	0	30,000
Cash flows used in investing activities
Payments to Acquire Equity Securities, FV-NI	440,000	471,000
Proceeds from maturities and principal repayments of securities available for sale	42,087,000	100,790,000
Payments to Acquire Debt Securities, Available-for-sale	0	(123,289,000)
Proceeds from maturities and principal repayments of securities held to maturity	114,698,000	132,997,000
Purchases of securities held to maturity	0	(763,987,000)
Net (purchases) redemptions of Federal Home Loan Bank stock	(38,660,000)	6,189,000
Investments in low income housing projects	(20,086,000)	(14,896,000)
Purchases of life insurance policies	(114,000)	(115,000)
Proceeds from Life Insurance Policy	3,934,000	2,273,000
Net increase in loans	(322,904,000)	(107,211,000)
Purchases of bank premises and equipment	(9,541,000)	(18,019,000)
Proceeds from the sale of bank premises and equipment	104,000	1,228,000
Net cash used in investing activities	(230,922,000)	(784,481,000)
Cash flows used in financing activities
Net increase (decrease) in time deposits	816,896,000	(351,458,000)
Net decrease in other deposits	(1,636,503,000)	(225,519,000)
Increase (Decrease) in Federal Funds Purchased and Securities Sold under Agreements to Repurchase, Net	887,000,000	(25,000,000)
Repayments of Debt	0	(14,063,000)
Proceeds from Stock Options Exercised	80,000	0
Restricted stock awards issued, net of awards surrendered	(1,143,000)	(1,085,000)
Proceeds from shares issued under direct stock purchase plan	1,977,000	1,765,000
Payments for shares repurchased under share repurchase program	(119,951,000)	(139,946,000)
Common dividends paid	(73,728,000)	(70,460,000)
Net cash used in financing activities	(125,372,000)	(825,766,000)
Net decrease in cash and cash equivalents	(132,805,000)	(1,304,388,000)
Cash and cash equivalents at beginning of year	352,933,000	2,240,684,000
Cash and cash equivalents at end of period	220,128,000	936,296,000
Supplemental schedule of noncash investing and financing activities
Net increase in capital commitments relating to low income housing project investments	15,718,000	4,408,000
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 5,747,000	$ 14,124,000