Noncontrolling Interests (Details of the income from NCI table) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Components on noncontrolling interests
Net income attributable to nonredeemable noncontrolling interests	$ (477)	$ (571)
Net income (loss) attributable to redeemable noncontrolling interests	(30)	2,040
Net loss (income)	$ 507	$ (1,469)

Amount of Net Income (Loss) attributable to noncontrolling interest.

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