Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Property, plant and equipment, net (related to VIEs)	$ 1,459,316	$ 1,452,336
Construction-in-process (related to VIEs)	268,349	288,827
Senior unsecured bonds %	7.00%	7.00%
Senior unsecured bonds unamortized premium	898	898
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	45,530,627	45,460,653
Common stock, shares outstanding	45,530,627	45,460,653
Variable Interest Entity, Primary Beneficiary [Member]
Property, plant and equipment, net (related to VIEs)	1,378,484	1,381,083
Construction-in-process (related to VIEs)	$ 143,548	$ 136,947