Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating Activities:
Net income	$ 36,524	$ 39,271
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization/accretion	12,361	9,852
Provision for credit losses	4,300	0
Stock option compensation expense	1,050	1,082
Securities gains	(71)	(50)
Life insurance gains	0	(433)
Net change in:
Amortization of deferred loan fees	(1,057)	(215)
Interest income receivable	(3,526)	(673)
Income taxes receivable	0	(6,549)
Income taxes payable	(585)	0
Deferred income taxes	478	4,902
Other assets	(12,478)	(20,013)
Interest expense payable	52	44
Other liabilities	28,875	12,323
Net Cash Provided by Operating Activities	65,923	39,541
Investing Activities:
Net (disbursements) repayments of loans	(189,704)	44,721
Proceeds from life insurance policies	0	1,273
Purchases of debt securities available for sale	(869,942)	(418,223)
Proceeds from sale/maturity/calls of debt securities available for sale	343,170	368,216
Proceeds from maturity/calls of debt securities held to maturity	97,555	111,099
Purchases of premises and equipment	(1,389)	(1,425)
Proceeds from sale of foreclosed assets	0	307
Net Cash (Used in) Provided by Investing Activities	(620,310)	105,968
Financing Activities:
Deposits	655,791	(136,577)
Short-term borrowings	55,243	3,334
Exercise of stock options	2,838	8,310
Retirement of common stock	(9,866)	(488)
Common stock dividends paid	(22,220)	(21,786)
Net Cash Provided by (Used in) Financing Activities	681,786	(147,207)
Net Change In Cash and Due from Banks	127,399	(1,698)
Cash and Due from Banks at Beginning of Period	373,421	420,284
Cash and Due from Banks at End of Period	500,820	418,586
Supplemental disclosure of non cash activities:
Right-of-use assets acquired in exchange for operating lease liabilities	1,639	23,087
Amount recognized upon initial adoption of ASU 2016-02	0	15,325
Securities purchases pending settlement	13,632	0
Supplemental disclosure of cash flow activities:
Cash paid for amounts included in operating lease liabilities	3,276	3,411
Interest paid for the period	825	874
Income tax payments for the period	$ 11,900	$ 12,910