Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Cash Flows from Operating Activities:
Net income	$ 10,178,000	$ 7,227,000	$ 32,233,000	$ 21,251,000
Adjustments to reconcile net income to net cash provided by operating activities:
(Recovery of) Provision for loan losses	482,000	2,619,000	(870,000)	8,331,000	$ 8,916,000
Depreciation			1,694,000	1,598,000
Net accretion of acquisition accounting adjustments			(3,148,000)	(2,620,000)
Core deposit intangible amortization	361,000	402,000	1,113,000	1,246,000
Net amortization of securities			1,275,000	842,000
Net gain on sale or call of securities available for sale			0	(814,000)
Gain on sale of loans held for sale			(3,449,000)	(2,472,000)
Proceeds from sales of loans held for sale			123,193,000	113,781,000
Originations of loans held for sale			(113,671,000)	(116,071,000)
Net loss (gain) on other real estate owned			111,000	(12,000)
Net loss on sale or disposal of premises and equipment	107,000	15,000	588,000	97,000
Equity based compensation expense			1,065,000	1,102,000
Earnings on bank owned life insurance			(468,000)	(461,000)
Deferred income tax benefit			(63,000)	(164,000)
Net change in other assets			(836,000)	(2,806,000)
Net change in other liabilities			793,000	(1,603,000)
Net cash provided by operating activities			39,560,000	21,225,000
Cash Flows from Investing Activities:
Proceeds from sales of securities available for sale	0	0	0	5,811,000
Proceeds from maturities, calls and paydowns of securities available for sale			137,511,000	177,469,000
Purchases of securities available for sale			(323,302,000)	(155,817,000)
Net change in restricted stock			669,000	(77,000)
Net decrease (increase) in loans			77,984,000	(253,650,000)
Proceeds from sale of premises and equipment			1,316,000	1,000
Purchases of premises and equipment	(454,000)	(463,000)	(833,000)	(2,347,000)
Proceeds from sales of other real estate owned			634,000	162,000
Net cash used in investing activities			(106,021,000)	(228,448,000)
Cash Flows from Financing Activities:
Net change in noninterest-bearing deposits			150,891,000	241,778,000
Net change in interest-bearing deposits			99,921,000	168,528,000
Net change in customer repurchase agreements			(15,956,000)	1,431,000
Net change in subordinated debt			(7,500,000)	0
Common stock dividends paid			(8,807,000)	(8,874,000)
Repurchase of common stock			(8,143,000)	(4,981,000)
Proceeds from exercise of stock options			86,000	30,000
Net cash provided by financing activities			210,492,000	397,912,000
Net Increase in Cash and Cash Equivalents			144,031,000	190,689,000
Cash and Cash Equivalents at Beginning of Period			374,370,000	79,582,000	79,582,000
Cash and Cash Equivalents at End of Period	$ 518,401,000	$ 270,271,000	$ 518,401,000	$ 270,271,000	$ 374,370,000