CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
OPERATING ACTIVITIES
Net Cash Provided by Operating Activities	$ 205,236	$ 171,740
INVESTING ACTIVITIES
Purchases of securities	(353,088)	(226,971)
Proceeds from maturities, prepayments and calls of securities	117,377	109,499
Proceeds from sales of securities	30,490	1,917
Proceeds from redemption of Federal Home Loan Bank stock	18,186	19,694
Purchases of Federal Home Loan Bank stock	(19,567)	(16,557)
Net (increase) decrease in loans	(101,919)	220,854
Proceeds from sale of portfolio loans	4,326	3,438
Purchases of premises and equipment	(2,877)	(2,110)
Proceeds from the sale of premises and equipment	251	14
Proceeds from life insurance settlement	214	353
Net Cash (Used in) Provided by Investing Activities	(306,607)	110,131
FINANCING ACTIVITIES
Net (decrease) increase in core deposits	(450,642)	710,776
Net (decrease) in certificates of deposit	(135,227)	(186,115)
Net (decrease) increase in securities sold under repurchase agreements	(84,491)	7,423
Net increase (decrease) in short-term borrowings	35,000	(75,000)
Repayments on long-term borrowings	(7,577)	(988)
Repurchase of shares for taxes on restricted stock	(498)	(302)
Cash dividends paid to common shareholders	(34,869)	(32,954)
Repurchase of common stock	(7,637)	0
Net Cash (Used in) Provided by Financing Activities	(685,941)	422,840
Net (decrease) increase in cash and cash equivalents	(787,312)	704,711
Cash and cash equivalents at beginning of period	922,215	229,666
Cash and Cash Equivalents at End of Period	134,903	934,377
Supplemental Disclosures
Loans transferred to held for sale	0	4,467
Cash paid for interest	10,152	12,200
Cash paid for income taxes, net of refunds	19,725	19,183
Transfers of loans to other real estate owned	$ 23	$ 12,392