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Condensed Consolidated Statements of Comprehensive Income - (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Net income (loss) attributable to Sterling common stockholders	$ (4,215)	$ 4,255
Net income attributable to noncontrolling interest included in equity	296
Net income attributable to noncontrolling interest included in liabilities	11,780	3,519
Add /(deduct) other comprehensive income, net of tax:
Realized (gain) loss from available-for-sale securities	(326)	143
Change in unrealized holding gain (loss) on available-for-sale securities	312	122
Realized loss from settlement of derivatives	29	8
Change in the effective portion of unrealized gain (loss) in fair market value of derivatives	(13)	(133)
Comprehensive income	$ 7,863	$ 7,914

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