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Note 19 - Financial Instruments - Change in Fair Value of Contingent Consideration Liability (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability |  | $ (962)
Balance, December 31, 2020 | 24,128 |
Less: current portion | 4,243 | 6,269
Non-current portion | 19,885 | 8,154
Fair Value, Inputs, Level 3 [Member] |  |
Balance, December 31, 2019 | 14,423 |
Amounts recognized on acquisitions | 13,259 |
Amounts recognized on acquisitions of management contracts | 890 |
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability | (261) | (503)
Resolved and settled in cash | (4,664) |
Other | 481 |
Balance, December 31, 2020 | 24,128 | $ 14,423
Less: current portion | 4,243 |
Non-current portion | $ 19,885 |

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- Definition The amount recognized on acquisitions. + References No definition available. + Details
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- Definition The amount recognized on acquisitions of management contracts. + References No definition available. + Details
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- Definition Represents the business combination contingent consideration arrangements classified as other. + References No definition available. + Details
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- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e7008-128479 + Details
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- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116859824&loc=d3e6819-128478 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 + Details
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