Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Fair value portion of investments accounted under the equity method.

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Fair value portion of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Note 12 - Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Measurements, Recurring [Member]
Derivative contract, net
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Measurements, Nonrecurring [Member] \| Building and Building Improvements [Member]
Certain buildings and improvements
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Measurements, Nonrecurring [Member]
Equity-method investment
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Measurements, Recurring [Member]
Derivative contract, net	$ 532	$ 1,750
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Measurements, Nonrecurring [Member] \| Building and Building Improvements [Member]
Certain buildings and improvements
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Measurements, Nonrecurring [Member]
Equity-method investment
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Measurements, Recurring [Member]
Derivative contract, net
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Measurements, Nonrecurring [Member] \| Building and Building Improvements [Member]
Certain buildings and improvements	$ 6,559
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Measurements, Nonrecurring [Member]
Equity-method investment	$ 22,284	$ 33,282