Schedule of Segment Profit (Loss) (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Segment Financial Information Schedule Of Segment Profit (loss) 1			3,257,789
Segment Financial Information Schedule Of Segment Profit (loss) 2			69,040,534
Segment Financial Information Schedule Of Segment Profit (loss) 3			0
Segment Financial Information Schedule Of Segment Profit (loss) 4			0
Segment Financial Information Schedule Of Segment Profit (loss) 5			72,298,323
Segment Financial Information Schedule Of Segment Profit (loss) 6			(6,868,016)
Segment Financial Information Schedule Of Segment Profit (loss) 7			(5,476,595)
Segment Financial Information Schedule Of Segment Profit (loss) 8			(606,104)
Segment Financial Information Schedule Of Segment Profit (loss) 9			0
Segment Financial Information Schedule Of Segment Profit (loss) 10			(12,950,715)
Segment Financial Information Schedule Of Segment Profit (loss) 1				1,839,618
Segment Financial Information Schedule Of Segment Profit (loss) 2				97,923,379
Segment Financial Information Schedule Of Segment Profit (loss) 3				0
Segment Financial Information Schedule Of Segment Profit (loss) 4				0
Segment Financial Information Schedule Of Segment Profit (loss) 5				99,762,997
Segment Financial Information Schedule Of Segment Profit (loss) 6				7,116,499
Segment Financial Information Schedule Of Segment Profit (loss) 7				0
Segment Financial Information Schedule Of Segment Profit (loss) 8				0
Segment Financial Information Schedule Of Segment Profit (loss) 9				0
Segment Financial Information Schedule Of Segment Profit (loss) 10				7,116,499
Segment Financial Information Schedule Of Segment Profit (loss) 11				3,439,420
Segment Financial Information Schedule Of Segment Profit (loss) 12				109,876
Segment Financial Information Schedule Of Segment Profit (loss) 13				(935,211)
Segment Financial Information Schedule Of Segment Profit (loss) 14				0
Segment Financial Information Schedule Of Segment Profit (loss) 15				2,614,085
Segment Financial Information Schedule Of Segment Profit (loss) 1	1,572,524
Segment Financial Information Schedule Of Segment Profit (loss) 2	33,208,556
Segment Financial Information Schedule Of Segment Profit (loss) 3	0
Segment Financial Information Schedule Of Segment Profit (loss) 4	0
Segment Financial Information Schedule Of Segment Profit (loss) 5	34,781,080
Segment Financial Information Schedule Of Segment Profit (loss) 6	(4,581,502)
Segment Financial Information Schedule Of Segment Profit (loss) 7	(4,891,332)
Segment Financial Information Schedule Of Segment Profit (loss) 8	(199,615)
Segment Financial Information Schedule Of Segment Profit (loss) 9	0
Segment Financial Information Schedule Of Segment Profit (loss) 10	(9,672,449)
Segment Financial Information Schedule Of Segment Profit (loss) 1		829,165
Segment Financial Information Schedule Of Segment Profit (loss) 2		71,934,499
Segment Financial Information Schedule Of Segment Profit (loss) 3		0
Segment Financial Information Schedule Of Segment Profit (loss) 4		72,763,664
Segment Financial Information Schedule Of Segment Profit (loss) 5		(1,635,302)
Segment Financial Information Schedule Of Segment Profit (loss) 6		(100,291)
Segment Financial Information Schedule Of Segment Profit (loss) 7		(219,225)
Segment Financial Information Schedule Of Segment Profit (loss) 8		0
Segment Financial Information Schedule Of Segment Profit (loss) 9		(1,954,818)