CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net income	$ 77,840	$ 71,450
Adjustments to reconcile net income to net cash from operating activities:
Depreciation	4,494	4,555
Provision for credit losses	417	1,077
Gain on sale and write down of other real estate owned	0	(53)
Amortization of loan servicing rights	583	1,697
Net change in loan servicing rights valuation allowance	(708)	(197)
Loans originated for sale, including participations	(27,273)	(92,728)
Net gain on sales of loans	(958)	(3,609)
Proceeds from sale of loans, including participations	34,299	98,655
Net loss on sales of premises and equipment	3	4
Net gain on sales and calls of securities available-for-sale	0	(797)
Net securities amortization	4,817	3,457
Stock based compensation expense	6,713	6,135
Losses (earnings) on life insurance	212	(2,101)
Gain on life insurance	0	(404)
Tax benefit of stock award issuances	(514)	(266)
Net change:
Interest receivable and other assets	(2,782)	(2,090)
Interest payable and other liabilities	37,707	1,081
Total adjustments	57,010	14,416
Net cash from operating activities	134,850	85,866
Cash flows from investing activities:
Proceeds from sale of securities available-for-sale	0	13,964
Proceeds from maturities, calls and principal paydowns of securities available-for-sale	86,001	102,399
Proceeds from maturities, calls and principal paydowns of securities held-to-maturity	5	0
Purchases of securities available-for-sale	(313,905)	(640,364)
Purchase of life insurance	(727)	(648)
Net (increase) decrease in total loans	(202,945)	410,323
Proceeds from sales of land, premises and equipment	4	6
Purchases of land, premises and equipment	(3,678)	(5,265)
Proceeds from redemption of Federal Home Loan Bank stock	932	0
Proceeds from sales of other real estate	0	946
Proceeds from life insurance	0	931
Net cash from investing activities	(434,313)	(117,708)
Cash flows from financing activities:
Net increase (decrease) in total deposits	(71,274)	377,833
Net increase (decrease) in short-term borrowings	0	(10,500)
Payments on long-term FHLB borrowings	(75,000)	0
Common dividends paid	(30,624)	(25,973)
Preferred dividends paid	(13)	(13)
Payments related to equity incentive plans	(1,780)	(1,818)
Purchase of treasury stock	(505)	(496)
Sale of treasury stock	221	115
Net cash from financing activities	(178,975)	339,148
Net change in cash and cash equivalents	(478,438)	307,306
Cash and cash equivalents at beginning of the period	683,240	249,927
Cash and cash equivalents at end of the period	204,802	557,233
Cash paid during the period for:
Interest	18,583	14,859
Income taxes	13,780	20,637
Supplemental non-cash disclosures:
Loans transferred to other real estate owned	0	893
Securities purchases payable	0	4,982
Right-of-use assets obtained in exchange for lease liabilities	$ 1,612	$ 0