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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of pass-through reserves deposited with Federal Reserve Banks from member institutions of Federal Home Loan Banks (FHLBanks).

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The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases.

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Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Note 1 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Loans and Leases Receivable, Gross, Total	$ 1,016,848	$ 1,069,668
Interest and Fee Income, Loans and Leases, Total	48,657	46,874	$ 26,777
Loans and Leases Receivable, Net Amount, Total	1,009,160	1,062,075
Loans and Leases Receivable, Deferred Income, Total		148,000
Cash Pass-through Reserve, Federal Home Loan Bank	$ 0	0
Number of Reportable Segments	1
Core Deposits [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Month)	120 months
Community Shores Bank Corporation [Member] \| Core Deposits [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Month)	8 years
PPP Loans [Member] \| SBA CARES Act Paycheck Protection Program [Member]
Loans and Leases Receivable, Gross, Total	$ 89,100
Financing Receivable, Amount Forgiven	192,500	23,400
Interest and Fee Income, Loans and Leases, Total	5,200	3,000
Loans and Leases Receivable, Net Amount, Total	33,100
Loans and Leases Receivable, Deferred Income, Total	$ 1,200
PPP Loans [Member] \| SBA CARES Act Paycheck Protection Program [Member] \| Community Shores Bank Corporation [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables		37,000
Minimum [Member] \| Land Improvements [Member]
Property, Plant and Equipment, Useful Life (Year)	7 years
Minimum [Member] \| Building [Member]
Property, Plant and Equipment, Useful Life (Year)	5 years
Minimum [Member] \| Furniture and Fixtures [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Minimum [Member] \| PPP Loans [Member] \| SBA CARES Act Paycheck Protection Program [Member]
Loans and Leases Receivable, Gross, Total		$ 126,000
Maximum [Member] \| Land Improvements [Member]
Property, Plant and Equipment, Useful Life (Year)	15 years
Maximum [Member] \| Building [Member]
Property, Plant and Equipment, Useful Life (Year)	39 years
Maximum [Member] \| Furniture and Fixtures [Member]
Property, Plant and Equipment, Useful Life (Year)	7 years