Note 2 - Acquisition - Net Adjustments to Allowance for Credit Losses (Details) - USD ($)	Mar. 07, 2022		Jun. 01, 2021	May 31, 2021
Commonwealth [Member]
Allowance for credits losses on loans	$ (9,950,000)		$ (9,950,000)
Allowance for credits losses on loans	9,950,000		9,950,000
Commonwealth [Member] | As Recorded By Acquiree [Member]
Allowance for credits losses on loans	(16,102,000)		(16,102)
Allowance for credits losses on loans	16,102,000		16,102
Commonwealth [Member] | As Adjusted By Acquirer [Member]
Allowance for credits losses on loans	6,152,000	[1],[2]	(6,152,000)
Allowance for credits losses on loans	$ (6,152,000)	[1],[2]	6,152,000
Kentucky Bancshares [Member]
Allowance for credits losses on loans			(6,757,000)	$ (6,757)
Allowance for credits losses on loans			6,757,000	6,757
Kentucky Bancshares [Member] | As Recorded By Acquiree [Member]
Allowance for credits losses on loans			(9,491,000)	(9,491)
Allowance for credits losses on loans			9,491,000	9,491
Kentucky Bancshares [Member] | As Adjusted By Acquirer [Member]
Allowance for credits losses on loans			(2,734,000)	2,734	[3],[4]
Allowance for credits losses on loans			$ 2,734,000	$ (2,734)	[3],[4]

[1] See the following page for explanations or individual fair value and provisional period adjustments.

[2] The net adjustment to allowance for credit losses includes the following: (in thousands) Reversal of historical CB allowance for credit losses on loans $ (16,102 ) Estimate of lifetime credit losses for PCD loans 9,950 Net change in allowance for credit losses $ (6,152 )

[3] See the following page for explanations or individual fair value and recast adjustments.

[4] The net adjustment to allowance for credit losses includes the following: (in thousands) Reversal of historical KB allowance for credit losses on loans $ 9,491 Estimate of lifetime credit losses for PCD loans (6,757 ) Net change in allowance for credit losses $ 2,734