Note 7 - Goodwill and Other Intangible Assets, Net Schedule of Intangible Assets and Goodwill (Details) (USD $)											9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2014 Customer Relationships [Member]	Sep. 30, 2014 Computer Software, Intangible Asset [Member]	Dec. 31, 2013 Computer Software, Intangible Asset [Member]	Sep. 30, 2014 Trademarks [Member]	Sep. 30, 2014 Order or Production Backlog [Member]	Sep. 30, 2014 Noncompete Agreements [Member]	Dec. 31, 2013 Noncompete Agreements [Member]	Sep. 30, 2014 Pro Forma [Member]	Sep. 30, 2014 Clayton Holdings, LLC [Member]	Jun. 30, 2014 Clayton Holdings, LLC [Member]	Sep. 30, 2014 Clayton Holdings, LLC [Member] Pro Forma [Member]	Sep. 30, 2014 Clayton Holdings, LLC [Member] Pro Forma [Member]
Schedule of Finite-Lived Intangible Assets and Goodwill [Line Items]
Business Acquisition, Goodwill, Expected Tax Deductible Amount										$ 191,000,000			$ 189,000,000	$ 189,000,000
Business Acquisition, Goodwill, Expected Number of Years For Tax Deduction											15 years
Goodwill, Acquired During Period	194,026,000	2,100,000										191,932,000
Goodwill, Impaired, Accumulated Impairment Loss	0	0
Finite-Lived Intangible Assets, Gross	102,900,000	205,000	79,245,000	8,970,000	200,000	7,860,000	6,680,000	145,000	5,000
Finite-Lived Intangible Assets, Accumulated Amortization	(3,294,000)	0	(1,460,000)	(415,000)	0	(197,000)	(1,203,000)	(19,000)	0
Finite-Lived Intangible Assets, Net	$ 99,606,000	$ 205,000	$ 77,785,000	$ 8,555,000	$ 200,000	$ 7,663,000	$ 5,477,000	$ 126,000	$ 5,000