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Note 2 - Acquisitions (Details Textual) $ in Thousands |  | 3 Months Ended
--- | --- | ---
Sep. 11, 2019 USD ($) | Mar. 31, 2020 USD ($) | Mar. 31, 2019 USD ($)
Provision for Loan and Lease Losses, Total |  | $ 3,500 | $ 1,220
Highlands Bankshares, Inc. [Member] |  |  |
Business Combination, Stock Conversion Ratio | 0.2703 |  |
Business Combination, Consideration Transferred, Total | $ 86,647 |  |
Acquired Loan, Fair Value Adjustments | (14,700) |  |
Deferred Loan Fees Excluded from Fair Value Adjustment of Acquired Loan | 3,270 |  |
Death Benefits Payable, Fair Value Adjustment | 320 |  |
Lease Liability, Fair Value Adjustment | (37) |  |
Reserve for Unfunded Commitments, Fair Value Adjustment | $ (85) |  |
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual |  | 7,120 |
Business Combination, Acquisition Related Costs |  | $ 1,890 |
Provision for Loan and Lease Losses, Total |  |  | $ 103,000,000

X
- Definition The increase (decrease) to acquired loan related to the fair value adjustments. + References No definition available. + Details
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Balance Type: | debit
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X
- Definition The stock conversion ratio for a business combination. + References No definition available. + Details
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Data Type: | xbrli:decimalItemType
Balance Type: | na
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X
- Definition The increase (decrease) to death benefits payable related to the fair value adjustment. + References No definition available. + Details
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- Definition The amount of deferred loan fees that excluded from the fair value adjustment of acquired loan. + References No definition available. + Details
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- Definition The increase (decrease) to lease liability related to the fair value adjustment. + References No definition available. + Details
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- Definition The increase (decrease) to reserve for unfunded commitments related to the fair value adjustment. + References No definition available. + Details
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X
- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460 + 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 of expense related to estimated loss from loan and lease transactions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
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