CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities
Net income	$ 70,403	$ 41,301
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for (recapture of) credit losses	10,479	(5,815)
Depreciation and amortization	7,520	8,107
Stock-based compensation expense	4,616	3,507
Pension expense (income)	875	625
Net amortization (accretion) on investment securities	1,894	4,092
Net (gain) loss on sales of investment securities	519	(3)
Unrealized gain (loss) on equity securities	(640)	199
Originations of loans held for sale	(42,174)	(98,958)
Net gains from sales of loans held for sale	(2,335)	(3,872)
Proceeds from sales of loans held for sale	41,926	113,939
Deferred income taxes	(8,844)	334
Operating Lease, Right-of-Use Asset, Amortization Expense	1,914	1,899
Payments for operating leases	(1,970)	(1,942)
Decrease (increase) cash surrender value of life insurance	766	652
Decrease (increase) in interest receivable	(1,866)	1,846
(Decrease) increase in interest payable	18,746	164
Decrease (increase) in other assets	145,295	52,590
(Decrease) increase in other liabilities	(73,386)	26,454
Net cash provided by (used in) operating activities	172,206	143,815
Investing activities
Proceeds from Sale of Debt Securities, Available-for-sale	0	5,003
Proceeds from calls, paydowns and maturities of securities available-for-sale	89,066	232,267
Payments to Acquire Debt Securities, Available-for-sale	27,240	173,954
Proceeds from calls, paydowns and maturities of securities held-to-maturity	1,009	5,906
Payments to Acquire Other Investments	306	11,799
Proceeds from Maturities, Prepayments and Calls of Other Investments	0	8
Net decrease (increase) in interest-bearing deposits with other banks	82,717	(12,336)
Net decrease (increase) in loans and leases	(133,223)	49,580
Proceeds from disposal of other real estate owned	0	98
Purchases of premises and equipment	(4,493)	(3,181)
Net change in operating leases	(62,248)	(12,085)
Proceeds from Life Insurance Policy	627	3,316
Net cash provided by (used in) investing activities	(57,491)	82,823
Financing activities
Net (decrease) increase in total deposits	(26,493)	(53,046)
Net (decrease) increase in short-term borrowings	(69,596)	(111,203)
Payments of long-term debt	4,215	30,183
Cash dividends paid on common stock	(22,111)	(21,986)
Proceeds from exercise of stock options	34	177
Net cash provided by (used in) financing activities	(122,381)	(216,241)
Cash and due from banks:
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	(7,666)	10,397
Cash and due from bank at beginning of period	207,501	220,031
Cash and due from bank at end of period	199,835	230,428
Supplemental Disclosures
Interest Paid	30,518	7,321
Income Taxes Paid	324	170
Supplemental schedule for investing activities
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets, Net Of Purchase Consideration	(3,290)	1,028
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	941	238
Goodwill	4,231	(790)
Cash consideration	$ (3,400)	$ 0