CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash Flow From Operating Activities:
Net income	$ 116,630	$ 117,426
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	2,300	5,563
Depreciation and amortization	6,737	6,630
Change in deferred taxes	(1,097)	3,750
Share-based compensation	2,887	2,546
Loans originated for sale	(361,054)	(277,312)
Proceeds from sales of loans held for sale	362,084	285,297
Gains on sales of loans held for sale	(4,162)	(3,791)
Gains on sales of securities available for sale	(3,376)	(4,016)
Increase in cash surrender of life insurance	(3,060)	(2,946)
Gains on life insurance benefits	(19)	(198)
Change in interest receivable	(1,681)	(1,401)
Change in interest payable	2,191	1,530
Other adjustments	18,149	3,077
Net cash provided by operating activities	136,529	136,155
Cash Flows from Investing Activities:
Net change in interest-bearing deposits	88,090	(31,736)
Purchases of:
Securities available for sale	(435,804)	(341,433)
Securities held to maturity	(397,166)	0
Proceeds from sales of securities available for sale	102,840	126,136
Proceeds from maturities of:
Securities available for sale	89,603	56,533
Securities held to maturity	67,791	52,258
Change in Federal Home Loan Bank stock	0	(763)
Net change in loans	(352,716)	(347,054)
Net cash and cash equivalents received in acquisition	10,207	0
Proceeds from the sale of other real estate owned	1,571	2,069
Proceeds from life insurance benefits	816	2,836
Other adjustments	(6,064)	2,708
Net cash used in investing activities	(830,832)	(478,446)
Net change in :
Demand and savings deposits	729,495	342,471
Certificates of deposit and other time deposits	175,437	118,151
Borrowings	535,239	1,451,467
Repayment of borrowings	(626,971)	(1,552,068)
Cash dividends on common stock	(36,793)	(30,732)
Stock issued under employee benefit plans	518	515
Stock issued under dividend reinvestment and stock purchase plans	1,109	879
Stock options exercised	121	1,093
Stock redeemed	(1,675)	(1,889)
Repurchase of common stock	(19,041)	0
Net cash provided by financing activities	757,439	329,887
Net Change in Cash and Cash Equivalents	63,136	(12,404)
Cash and Cash Equivalents, January 1	139,247	154,905
Cash and Cash Equivalents, September 30	202,383	142,501
Additional cash flow information:
Interest paid	78,260	46,788
Income tax paid (refunded)	19,335	13,719
Loans transferred to other real estate owned	6,902	405
Fixed assets transferred to other real estate owned	965	374
Non-cash investing activities using trade date accounting	13,893	828
Investments transferred from held to maturity to available for sale in accordance with ASU 2017-12	0	30,794
ROU assets obtained in exchange for new operating lease liabilities	23,496	0
In conjunction with the acquisitions, liabilities were assumed as follows:
Fair value of assets acquired	1,450,741	0
Cash paid in acquisition	(15)	0
Less: Common stock issued	229,926	0
Liabilities assumed	$ 1,220,800	$ 0