CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Net income	$ 54,998	$ 70,061
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan and lease losses	31,031	12,882
Depreciation of premises and equipment	4,255	4,412
Stock-based compensation	2,377	2,069
Amortization of investment securities premiums and accretion of discounts, net	4,238	2,857
Amortization of mortgage servicing rights	1,757	879
Mortgage servicing rights impairments	808	0
Amortization of right of use assets	2,115	2,348
Deferred income taxes	(10,509)	(4,586)
Gains on investment securities available-for-sale	(279)	0
Originations of loans held for sale, net of principal collected	(248,639)	(100,903)
Proceeds from the sales of loans held for sale	258,253	85,400
Net gain on sale of loans held for sale	(10,327)	(1,861)
Net gain on sale of other real estate and repossessions	(73)	(473)
Net gain on sale of premises and equipment	0	(1,289)
Change in interest receivable	(2,440)	(1,717)
Change in interest payable	(6,271)	5,885
Change in other assets	2,312	7,889
Change in other liabilities	(2,906)	8,763
Other	1,049	1,348
Net change in operating activities	97,012	113,086
Investing activities:
Proceeds from sales of investment securities available-for-sale	8,403	0
Proceeds from maturities and paydowns of investment securities available-for-sale	301,050	128,257
Purchases of investment securities available-for-sale	(337,175)	(153,310)
Net change in partnership investments	(31,298)	(29,823)
Net change in other investments	740	0
Loans sold or participated to others	10,722	50,140
Proceeds from principal payments on direct finance leases	35,384	56,798
Proceeds from PPP lender origination fees	19,375	0
Net change in loans and leases	(615,427)	(386,170)
Net change in equipment owned under operating leases	16,691	(3,975)
Purchases of premises and equipment	(1,988)	(6,091)
Proceeds from disposal of premises and equipment	19	3,427
Proceeds from sales of other real estate and repossessions	6,303	9,522
Net Cash Provided by (Used in) Investing Activities	(587,201)	(331,225)
Financing activities:
Net change in demand deposits and savings accounts	890,031	17,518
Net change in time deposits	(350,502)	(251,839)
Net change in short-term borrowings	19,681	(2,193)
Proceeds from issuance of long-term debt	10,000	0
Payments on long-term debt	(2,710)	(2,499)
Stock issued under stock purchase plans	39	49
Acquisition of treasury stock	0	(15,085)
Net change in noncontrolling interests	16,877	18,325
Cash dividends paid on common stock	(22,376)	(21,409)
Net change in financing activities	561,040	246,545
Net change in cash and cash equivalents	70,851	28,406
Cash and cash equivalents, beginning of year	83,365	99,079
Cash and cash equivalents, end of period	154,216	127,485
Non-cash transactions:
Loans transferred to other real estate and repossessed assets	2,969	10,740
Common stock matching contribution to Employee Stock Ownership and Profit Sharing Plan	622	300
Right of use assets obtained in exchange for lease obligations	253	16,006
Leased equipment
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of equipment owned and leased to others	$ 15,263	$ 19,122