Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
OPERATING ACTIVITIES
Consolidated net income	$ 11,144	$ 9,031
Adjustments to reconcile consolidated net income to net cash provided (used) by operating activities
Provision for loan losses	827	1,469
Deferred income taxes provision (benefit)	24	(46)
Depreciation and amortization of premises and equipment	1,055	998
Net amortization of securities	1,285	771
Net realized gains on sales of securities	0	(158)
Gains on mortgage loans sold, net	(3,606)	(911)
Stock-based compensation expense	418	178
Loss on sale of repossessed assets	1	0
Increase in value of life insurance and annuity contracts	(330)	(97)
Mortgage loans originated for resale	(78,769)	(34,451)
Proceeds from sale of mortgage loans	73,214	31,358
Gain on lease modification	0	(30)
Right of use asset amortization	96	88
Accrued interest receivable	(417)	(1,082)
Other assets	(1,655)	(23)
Accrued interest payable	(815)	(600)
Other liabilities	4,161	4,131
TOTAL ADJUSTMENTS	(4,511)	1,595
NET CASH PROVIDED BY OPERATING ACTIVITIES	6,633	10,626
INVESTING ACTIVITIES
Purchases	(91,686)	(53,458)
Sales	0	19,998
Maturities, prepayments and calls	45,180	52,323
Net increase in loans	(14,773)	(76,025)
Purchase of buildings, leasehold improvements, and equipment	(533)	(465)
Proceeds from sale of other assets	69	0
NET CASH USED IN INVESTING ACTIVITIES	(61,743)	(57,627)
FINANCING ACTIVITIES
Net change in deposits - non-maturing	182,391	79,718
Net change in deposits - time	(2,160)	(11,786)
Net change in Federal Home Loan Bank Advances	(3,638)	(2,805)
Change in escrow balances	(2,392)	550
Issuance of common stock related to exercise of stock options	276	239
Issuance of common stock pursuant to dividend reinvestment plan	4,902	5,008
Cash dividends paid on common stock	(6,596)	(6,476)
NET CASH PROVIDED BY FINANCING ACTIVITIES	172,783	64,448
NET CHANGE IN CASH AND CASH EQUIVALENTS	117,673	17,447
CASH AND CASH EQUIVALENTS - BEGINNING OF PERIOD	338,856	159,770
CASH AND CASH EQUIVALENTS - END OF PERIOD	456,529	177,217
Supplemental disclosure of cash flow information:
Interest	3,848	5,594
Taxes	991	906
Change in fair value of securities available-for-sale, net of taxes of $3,093 and $1,452 for the three months ended March 31, 2021 and 2020, respectively	(8,739)	4,103
Non-cash transfers from loans to other real estate	183	0
Non-cash transfers from loans to other assets	$ 68	$ 0