Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash Flows from Operating Activities:
Net income	$ 43,526,000	$ 30,045,000	$ 20,906,000
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for (recovery of) loan losses	(2,825,000)	8,916,000	456,000
Depreciation	2,243,000	2,188,000	2,064,000
Net accretion of acquisition accounting adjustments	(5,236,000)	(3,812,000)	(3,387,000)
Amortization of intangible assets	1,464,000	1,637,000	1,398,000
Net amortization of securities	1,846,000	1,186,000	1,100,000
Net gain on sale or call of securities available for sale	(35,000)	(814,000)	(274,000)
Net change in fair value of equity securities	0	0	(333,000)
Gain on sale of loans held for sale	(4,195,000)	(3,514,000)	(2,439,000)
Proceeds from sales of loans held for sale	154,041,000	155,705,000	103,760,000
Originations of loans held for sale	(142,736,000)	(165,755,000)	(102,708,000)
Net (gain) loss on other real estate owned	111,000	(4,000)	(120,000)
Valuation allowance on other real estate owned	0	0	68,000
Net loss on sale, write-down or disposal of premises and equipment	885,000	110,000	427,000
Equity based compensation expense	1,432,000	1,451,000	1,541,000
Earnings on bank owned life insurance	(625,000)	(665,000)	(630,000)
Deferred income tax (benefit) expense	808,000	(640,000)	1,068,000
Net change in other assets	245,000	29,000	11,137,000
Net change in other liabilities	146,000	(2,387,000)	(1,354,000)
Net cash provided by operating activities	51,095,000	23,676,000	32,680,000
Cash Flows from Investing Activities:
Proceeds from sales of equity securities	0	0	445,000
Proceeds from sales of securities available for sale	561,000	5,811,000	29,878,000
Proceeds from maturities, calls and paydowns of securities available for sale	192,672,000	208,429,000	123,915,000
Purchases of securities available for sale	(433,690,000)	(295,109,000)	(155,746,000)
Net change in restricted stock	659,000	(85,000)	(795,000)
Proceeds from sales of purchased credit impaired loans	0	4,939,000	0
Net decrease (increase) in loans	73,836,000	(186,635,000)	(26,257,000)
Proceeds from sale of premises and equipment	2,031,000	1,000	0
Purchases of premises and equipment	(1,000,000)	(2,694,000)	(3,555,000)
Proceeds from sales of other real estate owned	704,000	195,000	1,289,000
Cash paid in bank acquisition	0	0	(27,000)
Cash acquired in bank acquisition	0	0	26,283,000
Net cash used in investing activities	(164,227,000)	(265,148,000)	(4,570,000)
Cash Flows from Financing Activities:
Net change in noninterest-bearing deposits	178,987,000	251,488,000	23,310,000
Net change in interest-bearing deposits	100,114,000	299,476,000	(12,241,000)
Net change in customer repurchase agreements	(1,423,000)	2,076,000	5,232,000
Net change in other short-term borrowings	0	0	(14,883,000)
Net change in long-term borrowings	(7,500,000)	0	(778,000)
Common stock dividends paid	(11,827,000)	(11,842,000)	(10,965,000)
Repurchase of common stock	(8,810,000)	(4,981,000)	(3,146,000)
Proceeds from exercise of stock options	89,000	43,000	688,000
Net cash provided by (used in) financing activities	249,630,000	536,260,000	(12,783,000)
Net Increase in Cash and Cash Equivalents	136,498,000	294,788,000	15,327,000
Cash and Cash Equivalents at Beginning of Period	374,370,000	79,582,000	64,255,000
Cash and Cash Equivalents at End of Period	$ 510,868,000	$ 374,370,000	$ 79,582,000