Note 4 - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Customer Relationships [Member] \| Minimum [Member]
Useful Life	5 years	5 years
Customer Relationships [Member] \| Maximum [Member]
Useful Life	10 years	10 years
Customer Relationships [Member]
Intangible assets, gross	$ 101,806	$ 102,755
Less: Accumulated amortization	(57,497)	(44,020)
Intangible assets, net	$ 44,309	$ 58,735
Restrictive Covenant [Member] \| Minimum [Member]
Useful Life	3 years	3 years
Restrictive Covenant [Member] \| Maximum [Member]
Useful Life	7 years	7 years
Restrictive Covenant [Member]
Intangible assets, gross	$ 16,800	$ 18,000
Less: Accumulated amortization	(13,580)	(11,394)
Intangible assets, net	$ 3,220	$ 6,606
Trade Names [Member] \| Minimum [Member]
Useful Life	3 years	3 years
Trade Names [Member] \| Maximum [Member]
Useful Life	5 years	5 years
Trade Names [Member]
Intangible assets, gross	$ 17,000	$ 17,000
Less: Accumulated amortization	(10,221)	(7,763)
Intangible assets, net	6,779	9,237
Intangible assets, gross	135,606	137,755
Less: Accumulated amortization	(81,298)	(63,177)
Intangible assets, net	$ 54,308	$ 74,578

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.

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ 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)(1)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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