CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Statement of Cash Flows [Abstract]
Net Cash Provided by Operating Activities	$ 132,070	$ 205,236
INVESTING ACTIVITIES
Purchases of securities	(65,148)	(353,088)
Proceeds from maturities, prepayments and calls of securities	95,967	117,377
Proceeds from sales of securities	0	30,490
(Purchases) redemption of Federal Home Loan Bank stock	(15,541)	(1,381)
Net increase in loans	(348,844)	(101,919)
Proceeds from sale of portfolio loans	8,333	4,326
Proceeds from sale of other real estate owned	30	0
Purchases of premises and equipment	(4,921)	(2,877)
Proceeds from the sale of premises and equipment	698	251
Proceeds from life insurance settlement	597	214
Net Cash Used in Investing Activities	(328,829)	(306,607)
FINANCING ACTIVITIES
Net decrease in demand, money market and savings deposits	(550,359)	(450,642)
Net increase (decrease) in certificates of deposit	553,333	(135,227)
Net increase (decrease) in short-term borrowings	260,000	(49,491)
Proceeds from long-term borrowings	25,000	0
Repayments on long-term borrowings	(5,346)	(7,577)
Repurchase of shares for taxes on restricted stock	(521)	(498)
Cash dividends paid to common shareholders	(37,096)	(34,869)
Repurchase of common stock	(19,808)	(7,637)
Net Cash Provided by (Used in) Financing Activities	225,203	(685,941)
Net increase (decrease) in cash and due from banks	28,444	(787,312)
Cash and due from banks at beginning of period	210,009	922,215
Cash and Due From Banks at End of Period	238,453	134,903
Supplemental Disclosures
Right of use assets obtained in exchange for lease obligations	1,846	0
Cash paid for interest	74,939	10,152
Cash paid for income taxes, net of refunds	27,727	19,725
Transfers of loans to other real estate owned	$ 88	$ 23