Note 2 - Acquisition - Unaudited Pro Forma Information (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Commonwealth [Member]
Net interest income		$ 53,793	$ 46,758
Provision for credit losses	[1]	(2,150)	(1,175)
Non-interest income		22,143	25,866
Non-interest expense	[2]	47,289	40,857
Income before taxes		30,797	32,942
Income tax expense		6,467	6,918
Net income		24,330	26,024
Less net income attributed to noncontrolling interest		51	80
Net income available to stockholders		$ 24,279	$ 25,944
Basic (in dollars per share)		$ 0	$ 1.03
Diluted (in dollars per share)		$ 0	$ 1.02
Basic weighted average shares outstanding (in shares)		29,056	25,186
Diluted weighted average shares outstanding (in shares)		29,364	25,429
Kentucky Bancshares [Member]
Net interest income		$ 48,760	$ 46,578
Provision for credit losses		2,279	(1,375)
Non-interest income		19,203	18,012
Non-interest expense	[3]	56,297	34,546
Income before taxes		9,387	31,419
Income tax expense		1,445	5,953
Net income		7,942	25,466
Less net income attributed to noncontrolling interest		36	0
Net income available to stockholders		$ 7,906	$ 25,466
Basic (in dollars per share)		$ 0.29	$ 0.96
Diluted (in dollars per share)		$ 0.29	$ 0.95
Basic weighted average shares outstanding (in shares)		27,230	26,425
Diluted weighted average shares outstanding (in shares)		27,485	26,668

[1] Excludes $4.4 million in merger related credit loss expense for the three months ended March 31, 2022, respectively.

[2] Excludes $24.1 million in pre-tax merger expenses for the three months ended March 31, 2022, respectively.

[3] Excludes $400,000 in pre-tax merger expenses for the three months ended March 31, 2021, respectively.