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Condensed Consolidated Statements of Comprehensive Income - (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net loss attributable to Sterling common stockholders	$ (4,580)	$ (7,500)
Net income (loss) attributable to noncontrolling owners’ interests included in equity	186	(18)
Net income (loss) attributable to noncontrolling owners’ interests included in liabilities	(25)	7,713
Add /(deduct) other comprehensive income, net of tax:
Realized gain from sale of available-for-sale securities	(307)	(299)
Change in unrealized holding gain on available-for-sale securities		180
Realized (gain) loss from settlement of derivatives	(17)	2
Change in the effective portion of unrealized gain in fair market value of derivatives	45	159
Comprehensive income (loss)	$ (4,698)	$ 237

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