Note 6 - Property, Plant and Equipment (Details) - Property, Plant, and Equipment (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	$ 178,839	$ 125,423
Property, plant and equipment, net	135,695	82,108
Accumulated depreciation	(59,966)	(54,470)
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	8,678	2,606
Building and Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	60,474	46,281
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	109,687	76,536
Property, Plant and Equipment Placed in Service, Net [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	118,873	70,953
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, gross	$ 16,822	$ 11,155