Note 6 - Property, Plant and Equipment (Details) - Property, Plant, and Equipment (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	$ 183,107	$ 125,423
Property, plant and equipment, net	139,372	82,108
Accumulated depreciation	(64,767)	(54,470)
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	9,395	2,606
Building and Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	61,430	46,281
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	112,282	76,536
Property, Plant and Equipment Placed in Service, Net [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	118,340	70,953
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	$ 21,032	$ 11,155