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Income Taxes Effective Income Tax Rate Reconciliation (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Contingency [Line Items]
Federal statutory rate	35.00%	35.00%	35.00%
Foreign Operations	1.30%	0.70%	0.80%
Valuation allowance	(15.40%)	14.80%	(0.60%)
Gain on settlement of liabilities subject to compromise	0.00%	(51.70%)	(1.40%)
Income not subject to taxation	(25.40%)	(12.60%)	(31.40%)
Other	(0.60%)	1.90%	(0.50%)
Effective Income Tax Rate, Continuing Operations	(5.10%)	(11.90%)	1.90%

X

- Definition

The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to liabilities subject to compromise.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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