Basis of Presentation (Additional Cash Flow Information) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Non-cash operating items:
Equity in net loss (income) of affiliates	$ 38,475	$ 19,283	$ 90,233	$ (42,911)
Deferred taxes			(33,248)	20,101
Depreciation and amortization			26	32
Amortization of prior service credit and actuarial (gain) loss			1,058	336
Net non-cash operating items - continuing operations			58,069	(22,442)
Continuing Operations [Member]
Supplemental information:
Interest paid			310	10
Tax payments (refunds)			1,785	$ 209
Discontinued Operations [Member]
Supplemental information:
Interest paid			$ 1,234