CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Cash Flow From Operating Activities:
Net income	$ 49,469	$ 34,263
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	0	19,752
Depreciation and amortization	2,748	2,674
Change in deferred taxes	(3,079)	(7,662)
Share-based compensation	1,190	1,220
Loans originated for sale	(111,558)	(163,378)
Proceeds from sales of loans held for sale	114,383	170,307
Gains on sales of loans held for sale	(3,289)	(2,931)
Gains on sales of securities available for sale	(1,799)	(4,612)
Increase in cash surrender of life insurance	(1,189)	(1,360)
Gains on life insurance benefits	(147)	0
Change in interest receivable	(714)	1,412
Change in interest payable	733	992
Other adjustments	6,062	20,816
Net cash provided by operating activities	52,810	71,493
Cash Flows from Investing Activities:
Net change in interest-bearing deposits	(501)	(14,681)
Purchases of:
Securities available for sale	(597,901)	(87,499)
Securities held to maturity	(135,098)	(126,759)
Proceeds from sales of securities available for sale	48,016	96,558
Proceeds from maturities of:
Securities available for sale	80,114	45,621
Securities held to maturity	66,361	49,912
Net change in loans	(72,704)	(148,882)
Proceeds from the sale of other real estate owned	495	303
Proceeds from life insurance benefits	315	0
Other adjustments	(2,285)	(3,672)
Net cash used in investing activities	(613,188)	(189,099)
Net change in :
Demand and savings deposits	620,609	109,276
Certificates of deposit and other time deposits	(30,439)	(78,748)
Borrowings	8,678	180,060
Repayment of borrowings	(30,093)	(72,710)
Cash dividends on common stock	(14,130)	(14,265)
Stock issued under employee benefit plans	144	0
Stock issued under dividend reinvestment and stock purchase plans	443	428
Stock options exercised	171	7
Repurchase of common stock	0	(55,912)
Net cash provided by financing activities	555,383	68,136
Net Change in Cash and Cash Equivalents	(4,995)	(49,470)
Cash and Cash Equivalents, January 1	192,896	177,201
Cash and Cash Equivalents, March 31	187,901	127,731
Additional cash flow information:
Interest paid	8,655	24,938
Loans transferred to other real estate owned	44	761
Fixed assets transferred to other real estate owned	1,167	0
Non-cash investing activities using trade date accounting	66,558	44,362
ROU assets obtained in exchange for new operating lease liabilities	$ 386	$ 79

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