CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net income	$ 49,315	$ 47,331
Adjustments to reconcile net income to net cash from operating activities:
Depreciation	3,020	3,053
Provision (Reversal) for credit losses	417	(223)
Gain on sale and write down of other real estate owned	0	(37)
Amortization of loan servicing rights	385	705
Net change in loan servicing rights valuation allowance	(701)	(197)
Loans originated for sale, including participations	(23,082)	(64,706)
Net gain on sales of loans	(777)	(2,770)
Proceeds from sale of loans, including participations	28,430	70,988
Net (gain) loss on sales of premises and equipment	1	(1)
Net gain on sales and calls of securities available-for-sale	0	(797)
Net securities amortization	3,245	2,109
Stock based compensation expense	4,620	4,350
Losses (earnings) on life insurance	266	(1,461)
Gain on life insurance	0	(202)
Tax benefit of stock award issuances	(500)	(266)
Net change:
Interest receivable and other assets	165	1,788
Interest payable and other liabilities	26,355	(714)
Total adjustments	41,844	11,619
Net cash from operating activities	91,159	58,950
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	59,617	66,576
Proceeds from maturities, calls and principal paydowns of securities held-to-maturity	5	0
Purchases of securities available-for-sale	(313,905)	(437,680)
Purchase of life insurance	(657)	(586)
Net (increase) decrease in total loans	(137,525)	296,032
Proceeds from sales of land, premises and equipment	1	2
Purchases of land, premises and equipment	(2,314)	(3,295)
Proceeds from redemption of Federal Home Loan Bank stock	932	0
Proceeds from sales of other real estate	0	167
Proceeds from life insurance	0	531
Net cash from investing activities	(393,846)	(64,289)
Cash flows from financing activities:
Net increase in total deposits	(113,823)	357,859
Net increase (decrease) in short-term borrowings	0	(10,500)
Payments on long-term FHLB borrowings	(75,000)	0
Common dividends paid	(20,410)	(17,309)
Preferred dividends paid	(13)	(13)
Payments related to equity incentive plans	(1,728)	(1,648)
Purchase of treasury stock	(285)	(282)
Sale of treasury stock	221	115
Net cash from financing activities	(211,038)	328,222
Net change in cash and cash equivalents	(513,725)	322,883
Cash and cash equivalents at beginning of the period	683,240	249,927
Cash and cash equivalents at end of the period	169,515	572,810
Cash paid during the period for:
Interest	8,768	10,350
Income taxes	7,065	14,262
Supplemental non-cash disclosures:
Loans transferred to other real estate owned	0	893
Securities purchases payable	0	40,605
Right-of-use assets obtained in exchange for lease liabilities	$ 1,612	$ 0