Effective Income Tax Rate Reconciliation Reorganization Income

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Effective income Tax Reconciliation Tax Bankruptcy Adjustments

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Income Tax Reconciliation Tax Bankruptcy Adjustments

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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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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Income Taxes Income Taxes - Effective Tax Rates Differing From Prevailing Federal Corporate Income Tax Rates (Details) (USD $) In Thousands, unless otherwise specified	8 Months Ended	12 Months Ended		4 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2014 Rate	Dec. 31, 2013 Rate	Apr. 30, 2013 Rate	Dec. 31, 2012 Rate
Successor [Member]
Reconciliation of Effective Tax Rates [Line Items]
Tax on income from continuing operations at statutory rate	$ 179,311	$ 172,639
Tax on income from continuing operations at statutory rate,tax rate		35.00%	35.00%
Reorganization Income	0	0
Reorganization Income, tax rate		0.00%	0.00%
Tax bankruptcy adjustments	0	0
Tax bankruptcy adjustments, tax rate		0.00%	0.00%
IRS settlement	0	0
IRS settlement, tax rate		0.00%	0.00%
Tax-exempt interest	(11,988)	(6,811)
Tax-exempt interest, tax rate		(1.40%)	(2.30%)
Valuation allowance	(160,064)	(159,661)
Valuation allowance, tax rate		(32.40%)	(31.20%)
Foreign taxes	0	3,472
Foreign taxes, tax rate		0.70%	0.00%
Other, net	255	(82)
Other, net, tax rate		0.00%	0.00%
Provision for income taxes	7,514	9,557
Effective Income Tax Rate Reconciliation, Percent		1.90%	1.50%
Predecessor [Member]
Reconciliation of Effective Tax Rates [Line Items]
Tax on income from continuing operations at statutory rate				1,171,812	(89,777)
Tax on income from continuing operations at statutory rate,tax rate				35.00%	35.00%
Reorganization Income				(712,581)	0
Reorganization Income, tax rate				(21.30%)	0.00%
Tax bankruptcy adjustments				285,734	0
Tax bankruptcy adjustments, tax rate				8.50%	0.00%
IRS settlement				370,996	0
IRS settlement, tax rate				11.10%	0.00%
Tax-exempt interest				(4,996)	(17,795)
Tax-exempt interest, tax rate				(0.10%)	6.90%
Valuation allowance				(1,110,230)	107,502
Valuation allowance, tax rate				(33.20%)	(41.90%)
Foreign taxes				0	0
Foreign taxes, tax rate				0.00%	0.00%
Other, net				20	2,919
Other, net, tax rate				0.00%	(1.10%)
Provision for income taxes				$ 755	$ 2,849
Effective Income Tax Rate Reconciliation, Percent				0.00%	(1.10%)