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Condensed Consolidated Statements of Comprehensive Income - (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Net income (loss) attributable to Sterling common stockholders	$ (3,223)	$ 7,716
Net income attributable to noncontrolling interest included in equity	1,252	80
Net income attributable to noncontrolling interest included in liabilities	13,903	5,919
Add /(deduct) other comprehensive income, net of tax:
Realized (gain) loss from available-for-sale securities	(431)	20
Change in unrealized holding gain (loss) on available-for-sale securities	705	535
Realized loss from settlement of derivatives	37	41
Change in the effective portion of unrealized gain (loss) in fair market value of derivatives	139	(319)
Comprehensive income	$ 12,382	$ 13,992

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