Debtors Condensed Combined Financial Statements (Debtors Condensed Combined Cash Flow) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Operating	$ 67,887	$ 57,448	$ 38,613
Investing	(175,259)	(221,768)	(484,550)
Financing	154,480	139,877	399,086
Net Increase (Decrease) in Cash and Cash Equivalents	47,108	(24,443)	(46,851)
Cash and Cash Equivalents, Beginning of Period	34,742	59,185	106,036
Cash and Cash Equivalents, End of Period	81,850	34,742	59,185
Debtors [Member]
Operating	123,128
Investing	(335,793)
Financing	277,235
Net Increase (Decrease) in Cash and Cash Equivalents	64,570
Cash and Cash Equivalents, Beginning of Period	67,086
Cash and Cash Equivalents, End of Period	$ 131,656

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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