Note 10. Income Taxes (Details) - USD ($) $ in Thousands		Sep. 30, 2015	Apr. 30, 2015	Dec. 31, 2014
AMICSubsidiariesMember
Deferred Tax Assets, Net		$ 7,115		$ 11,517
AMIC | Domestic Tax Authority
Operating Loss Carryforwards	[1]	$ 259,257
GAF Acquiree Member
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent			$ 2,200

[1] Which expire in varying amounts through 2028, a significant portion expires in 2020.