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v3.19.3.a.u2

Note 2 - Summary of Significant Accounting Policies (Details Textual) | 12 Months Ended
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Dec. 31, 2019
Long-term Incentive Plans [Member] |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period | 10 years
Minimum [Member] | Long-term Incentive Plans [Member] |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 5 years
Minimum [Member] | Customer Lists and Relationships [Member] |
Finite-Lived Intangible Asset, Useful Life | 4 years
Minimum [Member] | Investment Management Contracts [Member] |
Finite-Lived Intangible Asset, Useful Life | 5 years
Minimum [Member] | Trademarks and Trade Names [Member] |
Finite-Lived Intangible Asset, Useful Life | 2 years
Minimum [Member] | Management Contracts and Other [Member] |
Finite-Lived Intangible Asset, Useful Life | 2 years
Maximum [Member] | Long-term Incentive Plans [Member] |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 10 years
Maximum [Member] | Customer Lists and Relationships [Member] |
Finite-Lived Intangible Asset, Useful Life | 20 years
Maximum [Member] | Investment Management Contracts [Member] |
Finite-Lived Intangible Asset, Useful Life | 15 years
Maximum [Member] | Trademarks and Trade Names [Member] |
Finite-Lived Intangible Asset, Useful Life | 10 years
Maximum [Member] | Management Contracts and Other [Member] |
Finite-Lived Intangible Asset, Useful Life | 10 years
Building [Member] | Minimum [Member] |
Property, Plant and Equipment, Useful Life | 20 years
Building [Member] | Maximum [Member] |
Property, Plant and Equipment, Useful Life | 40 years
Vehicles [Member] | Minimum [Member] |
Property, Plant and Equipment, Useful Life | 3 years
Vehicles [Member] | Maximum [Member] |
Property, Plant and Equipment, Useful Life | 5 years
Furniture and Fixtures [Member] | Minimum [Member] |
Property, Plant and Equipment, Useful Life | 3 years
Furniture and Fixtures [Member] | Maximum [Member] |
Property, Plant and Equipment, Useful Life | 10 years
Computer Equipment [Member] | Minimum [Member] |
Property, Plant and Equipment, Useful Life | 3 years
Computer Equipment [Member] | Maximum [Member] |
Property, Plant and Equipment, Useful Life | 5 years
Leasehold Improvements [Member] | Maximum [Member] |
Property, Plant and Equipment, Useful Life | 10 years

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition 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. + References No definition available. + Details
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- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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