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Note 30 - Supplemental Cash Flow Disclosure (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block] |
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Collateral deposit end of period |  | $ | 41,119 |  |  | $ | 9,524 |  |  | $ | 4,277 |
Less: Collateral deposit beginning of period |  |  | 9,524 |  |  |  | 4,277 |  |  |  | 1,219 |
Impact to cash flow from operations |  | $ | 31,595 |  |  | $ | 5,247 |  |  | $ | 3,058 |

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- Definition Tabular disclosure of financial instruments held by the entity for its own account for trading or investment purposes that are carried at fair value and pledged to counterparties as collateral for financing transactions. Description may include equity, fixed income, debt or other securities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729 + Details
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