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Note 6 - Goodwill and Intangible Assets - Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Balance, beginning of year	$ 60,506	$ 52,870
Balance, end of year	59,946	60,506
County Bank Corp [Member]
Balance, beginning of year		38,900
Goodwill adjustment from merger	0	(277)
Community Shores Bank Corporation [Member]
Balance, beginning of year	7,300
Goodwill adjustment from merger	(560)	0
Acquired goodwill	$ 0	7,913
Balance, end of year		$ 7,300

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- Definition

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+ References

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