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Note 8 - Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
December 31, 2017 |  |  | Gross carrying amount |  |  |  | Accumulated amortization |  |  |  | Net |
Customer lists and relationships |  | $ | 219,986 |  |  | $ | 74,897 |  |  | $ | 145,089 |
Franchise rights |  |  | 5,703 |  |  |  | 4,156 |  |  |  | 1,547 |
Trademarks and trade names: |  |  |  |  |  |  |  |  |  |  |  |
Indefinite life |  |  | 24,121 |  |  |  | - |  |  |  | 24,121 |
Finite life |  |  | 2,776 |  |  |  | 1,865 |  |  |  | 911 |
Management contracts and other |  |  | 17,733 |  |  |  | 6,572 |  |  |  | 11,161 |
Brokerage backlog |  |  | 310 |  |  |  | 103 |  |  |  | 207 |
|  | $ | 270,629 |  |  | $ | 87,593 |  |  | $ | 183,036 |
December 31, 2016 |  |  | Gross carrying amount |  |  |  | Accumulated amortization |  |  |  | Net |
Customer lists and relationships |  | $ | 168,998 |  |  | $ | 64,397 |  |  | $ | 104,601 |
Franchise rights |  |  | 5,301 |  |  |  | 3,478 |  |  |  | 1,823 |
Trademarks and trade names: |  |  |  |  |  |  |  |  |  |  |  |
Indefinite life |  |  | 23,604 |  |  |  | - |  |  |  | 23,604 |
Finite life |  |  | 2,993 |  |  |  | 1,484 |  |  |  | 1,509 |
Management contracts and other |  |  | 13,586 |  |  |  | 5,566 |  |  |  | 8,020 |
|  | $ | 214,482 |  |  | $ | 74,925 |  |  | $ | 139,557 |
Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block] |
|  |  | Amount |  |  |  | Estimated weighted average amortization period (years) |
Customer lists and relationships |  | $ | 53,528 |  |  |  | 10.0 |
Trademarks and trade names - finite life |  |  | 460 |  |  |  | 2.0 |
Brokerage backlog |  |  | 2,708 |  |  |  | 0.3 |
Other |  |  | 4,532 |  |  |  | 7.6 |
|  | $ | 61,228 |  |  |  | 9.3 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
2018 |  | $ | 24,451 |
2019 |  |  | 22,369 |
2020 |  |  | 20,842 |
2021 |  |  | 18,980 |
2022 |  |  | 18,288 |

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- Definition Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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