Note 7 - Property, Plant and Equipment Assets Acquired (Details) - Nabors Industries, Ltd. [Member] - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015
Land [Member]
Property, plant and equipment	$ 28,875
Building and Building Improvements [Member] | Minimum [Member]
Building and leasehold improvements	2 years
Building and Building Improvements [Member] | Maximum [Member]
Building and leasehold improvements	25 years
Building and Building Improvements [Member]
Property, plant and equipment	$ 76,655
Building and leasehold improvements
Furniture and Fixtures [Member] | Minimum [Member]
Building and leasehold improvements	2 years
Furniture and Fixtures [Member] | Maximum [Member]
Building and leasehold improvements	5 years
Furniture and Fixtures [Member]
Property, plant and equipment	$ 2,901
Building and leasehold improvements
Machinery and Equipment [Member] | Minimum [Member]
Building and leasehold improvements	2 years
Machinery and Equipment [Member] | Maximum [Member]
Building and leasehold improvements	10 years
Machinery and Equipment [Member]
Property, plant and equipment	$ 490,967
Building and leasehold improvements
Transportation Equipment [Member] | Minimum [Member]
Building and leasehold improvements	2 years
Transportation Equipment [Member] | Maximum [Member]
Building and leasehold improvements	5 years
Transportation Equipment [Member]
Property, plant and equipment	$ 345,105
Building and leasehold improvements
Construction in Progress [Member]
Property, plant and equipment	$ 45,019
Property, plant and equipment	$ 989,522