v2.4.0.6

Noncontrolling Interests (Schedule Of Noncontrolling Interest) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Dec. 31, 2011
Noncontrolling Interest [Line Items]
Ownership interest with other equity investors, Amount	$ 0		$ 0
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Balance, Beginning	3,340
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest [Abstract]
Net income attributable to noncontrolling interest	53,641	(85,492)
Balance, Ending	3,892
Angus Fund Member
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Balance, Beginning	3,340	2,889
Sale of shares to noncontrolling interest	300	0
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest [Abstract]
Net income attributable to noncontrolling interest	293	271
Dividends on common shares	(41)	0
Balance, Ending	3,892	3,160
Real Member | Angus Fund Member
Noncontrolling Interest [Line Items]
Ownership interest with other equity investors, Amount	55		41
Parent company ownership in consolidated subsidiary	1.00%		1.00%
Rrca Member | Angus Fund Member
Noncontrolling Interest [Line Items]
Ownership interest with other equity investors, Amount	$ 2,000		$ 1,000
Parent company ownership in consolidated subsidiary	36.30%		24.20%

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Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest).

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Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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The portion of net Income or Loss attributable to the noncontrolling interest (if any) deducted in order to derive the portion attributable to the parent.

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The cash inflow contributed by noncontrolled interest that purchase additional shares or otherwise increase their ownership stake in a subsidiary of the entity.

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