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Business Combination (Details Narrative) - USD ($) $ in Thousands		12 Months Ended
	Oct. 02, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Stock issued during acquisitions, value		$ 107,639
Goodwill		52,870	$ 13,728	$ 13,728
County Bank Corp ("County") [Member]
Description of acquired entity	14 branch offices and one loan production office
Total assets	$ 672,988
Total loans	424,000
Total deposits	573,601
Total liabilities	604,185
Goodwill	39,142
Acquisition costs related to merger	2,100
Acquisition costs merger amounted expensed	1,800
Acquisition costs netted with stock issuance costs	$ 297
Earnings		2,300
County Bank Corp ("County") [Member] | Common Stock [Member]
Stock issued during acquisitions, shares	3,603,872
Stock issued during acquisitions, value	$ 108,000
County Bank Corp ("County") [Member] | Fractional Stock [Member]
Stock issued during acquisitions, shares	299
Community Shores Bank Corp ("Community Shores") [Member]
Total assets		204,000
Total loans		156,000
Total deposits		$ 184,000

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