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v3.21.1

Note 21 - Business Combination (Details Textual) |  |  | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jul. 01, 2020 USD ($) shares | Oct. 01, 2019 USD ($) shares | Dec. 31, 2020 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Sep. 30, 2019 USD ($) | Dec. 31, 2018 USD ($)
Goodwill, Ending Balance |  |  | $ 60,506,000 | $ 60,506,000 | $ 52,870,000 |  | $ 13,728,000
Stock Issued During Period, Value, Acquisitions |  |  |  | 15,494,000 | $ 107,639,000 |  |
County Bank Corp ("County") [Member] |  |  |  |  |  |  |
Number of Branch Offices |  | 14 |  |  |  |  |
Number of Loan Office |  | 1 |  |  |  |  |
Community Shores Bank Corp ("Community Shores") [Member] |  |  |  |  |  |  |
Number of Branch Offices | 4 |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets, Total | $ 243,975,000 |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Total Loans | 174,000,000.0 |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Total Deposits | $ 227,832,000 |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) | shares | 524,055 |  |  |  |  |  |
Payments to Acquire Businesses, Gross | $ 5,390,000 |  |  |  |  |  |
Business Combination, Consideration Transferred, Total | 20,881,000 |  |  |  |  |  |
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual |  |  | 3,200,000 | 1,041,000 |  |  |
Goodwill, Ending Balance | 7,913,000 |  | $ 7,900,000 | $ 7,900,000 |  |  |
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Deposit Based Intangible | $ 760,000 |  |  |  |  |  |
County Bank Corp ("County") [Member] |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets, Total |  | $ 672,762,000 |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Total Loans |  | 424,000,000 |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Total Deposits |  | 573,601,000 |  |  |  |  |
Business Combination, Consideration Transferred, Total |  | 107,945,000 |  |  |  |  |
Goodwill, Ending Balance |  | 38,866,000 |  |  |  | $ 39,100,000 |
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Deposit Based Intangible |  | 6,359,000 |  |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Originated Loans |  | 200,000 |  |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Liabilities |  | 500,000 |  |  |  |  |
Goodwill, Purchase Accounting Adjustments |  | 300,000 |  |  |  |  |
Business Acquisition, Transaction Costs |  | 2,400,000 |  |  |  |  |
Noncash Merger Related Costs |  | 2,100,000 |  |  |  |  |
Business Combination, Netted With Stock Issuance Costs |  | $ 297,000 |  |  |  |  |
County Bank Corp ("County") [Member] | Common Stock [Member] |  |  |  |  |  |  |
Stock Issued During Period, Shares, Acquisitions (in shares) | shares |  | 3,603,872 |  |  |  |  |
Stock Issued During Period, Value, Acquisitions |  | $ 108,000,000 |  |  |  |  |

X
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- Definition This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to originated loans acquired in connection with a business combination for which the initial accounting was incomplete. + References No definition available. + Details
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- Definition This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to other liabilities assumed in connection with a business combination for which the initial accounting was incomplete. + References No definition available. + Details
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- Definition The amount of business combination recognized identifiable assets acquired and liabilities assumed deposit based intangible. + References No definition available. + Details
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- Definition Represents total loans for business combination recognized identifiable assets acquired and liabilities. + References No definition available. + Details
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- Definition Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition. + References No definition available. + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477 + Details
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- Definition This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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- Definition Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e961-128460 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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