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Note 10 - Intangible Assets (Details) - Acquired Intangible Assets (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013
Acquired Finite-Lived Intangible Assets [Line Items] |
Amount | $ 52,244
Estimated weighted average amortization period (years) | 9 years 73 days
Trademarks and Trade Names [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Trademarks and trade names - indefinite life | 3,755
Customer Lists and Relationships [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Amount | 42,627
Estimated weighted average amortization period (years) | 11 years
Trademarks and Trade Names [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Amount | 960
Estimated weighted average amortization period (years) | 5 years
Brokerage Backlog [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Amount | 4,151
Estimated weighted average amortization period (years) | 6 months
Other Intangible Assets [Member] |
Acquired Finite-Lived Intangible Assets [Line Items] |
Amount | $ 751
Estimated weighted average amortization period (years) | 5 years

X
- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, resulting from a business combination. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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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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Namespace Prefix: | us-gaap_
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X
- Definition Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, resulting from a business combination. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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