CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net income	$ 59,745	$ 64,849
Adjustments to reconcile net income to net cash from operating activities:
Depreciation	4,477	4,428
Provision for loan losses	13,850	2,985
Amortization of loan servicing rights	563	368
Net change in loan servicing rights valuation allowance	628	0
Loans originated for sale, including participations	(93,805)	(43,510)
Net gain on sales of loans	(3,286)	(1,312)
Proceeds from sale of loans, including participations	90,568	39,013
Net (gain) loss on sales of premises and equipment	82	(2)
Net gain on sales and calls of securities available-for-sale	(363)	(94)
Net securities amortization	3,021	2,917
Stock based compensation expense	822	3,626
Earnings on life insurance	(1,476)	(1,246)
Gain on life insurance	(576)	(841)
Tax benefit of stock award issuances	(71)	(529)
Net change:
Interest receivable and other assets	(3,987)	(5,416)
Interest payable and other liabilities	(8,927)	6,638
Total adjustments	1,520	7,025
Net cash from operating activities	61,265	71,874
Cash flows from investing activities:
Proceeds from sale of securities available-for-sale	6,413	38,544
Proceeds from maturities, calls and principal paydowns of securities available-for-sale	69,259	50,959
Purchases of securities available-for-sale	(89,934)	(91,704)
Purchase of life insurance	(361)	(5,492)
Net increase in total loans	(527,886)	(109,286)
Proceeds from sales of land, premises and equipment	651	14
Purchases of land, premises and equipment	(5,154)	(5,974)
Proceeds from life insurance	1,285	1,483
Net cash from investing activities	(545,727)	(121,456)
Cash flows from financing activities:
Net increase in total deposits	634,135	239,325
Net increase in short-term borrowings	10,500	(75,555)
Payments on short-term FHLB borrowings	(170,000)	(170,000)
Proceeds from long-term FHLB borrowings	75,000	0
Common dividends paid	(22,938)	(21,952)
Preferred dividends paid	(13)	(13)
Payments related to equity incentive plans	(2,030)	(2,109)
Purchase of treasury stock	(10,492)	(461)
Net cash from financing activities	514,162	(30,765)
Net change in cash and cash equivalents	29,700	(80,347)
Cash and cash equivalents at beginning of the period	99,381	216,922
Cash and cash equivalents at end of the period	129,081	136,575
Cash paid during the period for:
Interest	30,255	45,066
Income taxes	14,380	14,825
Supplemental non-cash disclosures:
Loans transferred to other real estate owned	35	0
Securities purchases payable	7,712	4,892
Right-of-use assets obtained in exchange for lease liabilities	$ 0	$ 5,483