SEGMENTS - REP EBT to GAAP Basis Income (Loss) Before Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Reconciliation of REP EBT to GAAP net income (loss)
REP EBT	$ 37,815		$ 35,644
General and administrative	(18,963)us-gaap_GeneralAndAdministrativeExpense		(16,882)us-gaap_GeneralAndAdministrativeExpense
Corporate interest income, net	136us-gaap_InvestmentIncomeInterest		2,188us-gaap_InvestmentIncomeInterest
Warrant liability loss	(108,810)us-gaap_FairValueAdjustmentOfWarrants		(96,440)us-gaap_FairValueAdjustmentOfWarrants
Provision for income taxes	(2,284)us-gaap_IncomeTaxExpenseBenefit		(4,773)us-gaap_IncomeTaxExpenseBenefit
Corporate other income, net:	1,464us-gaap_OtherIncome		10,448us-gaap_OtherIncome
Corporate depreciation and amortization	(21,510)us-gaap_DepreciationAndAmortization		(10,509)us-gaap_DepreciationAndAmortization
Net income (loss)	(105,959)us-gaap_ProfitLoss	(86,331)us-gaap_ProfitLoss	(86,331)us-gaap_ProfitLoss
Corporate, Non-Segment [Member]
Reconciliation of REP EBT to GAAP net income (loss)
Corporate interest income, net	(13,212)		(10,980)
Warrant liability loss	(108,810)		(96,440)
Corporate other income, net:	1,132		8,075
Corporate depreciation and amortization	(1,637)		(975)
Net income (loss)	(103,675)		(81,558)
Operating Segments [Member] \| Consolidated Properties [Member]
Reconciliation of REP EBT to GAAP net income (loss)
General and administrative	$ (18,963)		$ (16,882)

Represents operating revenues less operating expenses from MPC, Operating and Strategic Development segments.

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The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

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The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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

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Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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Reflects the sum of all other revenue and income recognized by the entity in the period not otherwise specified in the income statement.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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