Summary of Significant Accounting Policies (Other Expense (Income), Net) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Other expense (income), net [Line Items]
Write-off of deposits and pre-acquisition costs		$ 6,099	$ 3,122	$ 2,278
Loss on debt retirements	8,584	8,584	26,930	32,071
Amortization of intangible assets		13,033us-gaap_AmortizationOfIntangibleAssets	13,100us-gaap_AmortizationOfIntangibleAssets	13,100us-gaap_AmortizationOfIntangibleAssets
Miscellaneous, net		1,420us-gaap_OtherNonoperatingExpense	34,823us-gaap_OtherNonoperatingExpense	11,543us-gaap_OtherNonoperatingExpense
Other expense, net		38,745us-gaap_OtherNonoperatingIncomeExpense	80,753us-gaap_OtherNonoperatingIncomeExpense	66,298us-gaap_OtherNonoperatingIncomeExpense
Homebuilding [Member]
Other expense (income), net [Line Items]
Lease exit and related costs		$ 9,609	$ 2,778	$ 7,306

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Write Off Of Deposits And Pre Acquisition Costs

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No definition available.

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Topic 230

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-Section 45

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-Subparagraph (b)

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

The aggregate amount of other expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating expense recognized during the period. Such amounts may include: (a) unusual costs, (b) loss on foreign exchange transactions, (c) losses on securities (net of profits), and (d) miscellaneous other expense items.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items.

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