Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 171,541	$ 40,230
Restricted cash and cash equivalents (all related to VIEs)	70,523	93,248
Receivables:
Trade	52,313	48,609
Related entity		451
Other	9,946	10,141
Due from Parent		1,337
Inventories	16,595	16,930
Costs and estimated earnings in excess of billings on uncompleted contracts	14,459	27,793
Deferred income taxes	1,344	251
Prepaid expenses and other	34,011	34,884
Total current assets	370,732	273,874
Deposits and other	17,506	20,044
Deferred charges	36,235	37,567
Property, plant and equipment, net ($1,522,076 and $1,339,342 related to VIEs, respectively)	1,580,379	1,437,637
Construction-in-process ($125,425 and $162,006 related to VIEs, respectively)	230,561	296,722
Deferred financing and lease costs, net	24,718	27,057
Intangible assets, net	26,202	28,655
Total assets	2,286,333	2,121,556
Current liabilities:
Accounts payable and accrued expenses	85,226	88,276
Deferred income taxes	975	974
Short term revolving credit lines with banks (full recourse)		20,300
Billings in excess of costs and estimated earnings on uncompleted contracts	22,616	24,724
Limited and non-recourse (all related to VIEs):
Senior secured notes	33,197	34,368
Other loans	21,495	17,995
Full recourse	17,228	19,116
Total current liabilities	180,737	205,753
Limited and non-recourse (all related to VIEs):
Senior secured notes	317,909	360,366
Other loans	288,753	264,625
Full recourse:
Senior unsecured bonds (plus unamortized premium based upon 7% of $590)	250,058	250,289
Other loans	23,070	34,351
Unconsolidated investments	12,667	3,617
Liability associated with sale of tax benefits	18,580	39,021
Deferred lease income	58,325	60,560
Deferred income taxes	31,360	66,220
Liability for unrecognized tax benefits	7,112	7,511
Liabilities for severance pay	18,826	20,399
Asset retirement obligation	20,282	19,142
Other long-term liabilities	697	2,956
Total liabilities	$ 1,228,376	$ 1,334,810
Commitments and contingencies (Note 10)
The Company's stockholders' equity:
Common stock, par value $0.001 per share; 200,000,000 shares authorized; 49,035,593 and 45,537,162 shares issued and outstanding as of September 30, 2015 and December 31, 2014, respectively	$ 49	$ 46
Additional paid-in capital	846,998	742,006
Retained earnings	128,352	41,539
Accumulated other comprehensive income	(12,844)	(8,668)
	962,555	774,923
Noncontrolling interest	95,402	11,823
Total equity	1,057,957	786,746
Total liabilities and equity	2,286,333	2,121,556
Variable Interest Entity, Primary Beneficiary [Member]
Receivables:
Property, plant and equipment, net ($1,522,076 and $1,339,342 related to VIEs, respectively)	1,522,076	1,339,342
Construction-in-process ($125,425 and $162,006 related to VIEs, respectively)	$ 125,425	$ 162,006