Summary of Significant Accounting Policies Net Income per BUC (Tables)

12 Months Ended

Dec. 31, 2013

Summary of Significant Accounting Policies [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

 The following table provides a reconciliation of net income per BUC holder:

		Years Ended December 31,
		2013			2012			2011
Calculation of unitholders' interest in income (loss) from continuing operations:
	Income (loss) from continuing operations	$	14,534,438		$	2,763,762		$	(2,425,355	)
	Less: general partners' interest in income	1,381,872			331,403			144,837
	Unallocated loss related to variable interest entities	(1,116,262		)	(1,522,846		)	(1,289,539		)
	Noncontrolling interest	261,923			549,194			570,759
	Unitholders' interest in income (loss) from continuing operations	$	14,006,905		$	3,406,011		$	(1,851,412	)
Calculation of Unitholders' interest in income from discontinued operations:
	Income from discontinued operations	$	3,442,404		$	2,232,276		$	752,192
	Less: general partner's interest in income	34,424			359,909			7,522
	Unallocated income related to variable interest entities	—			—			—
	Unitholders' interest in discontinued operations	$	3,407,980		$	1,872,367		$	744,670
Calculation of unitholders' interest in net income (loss)
	Net income (loss)	$	17,976,842		$	4,996,038		$	(1,673,163	)
	Less: general partners' interest in net income	1,416,296			691,312			152,359
	Unallocated (loss) related to variable interest entities	(1,116,262		)	(1,522,846		)	(1,289,539		)
	Noncontrolling interest	261,923			549,194			570,759
	Unitholders' interest in net income (loss)	$	17,414,885		$	5,278,378		$	(1,106,742	)
Weighted average number of units outstanding (basic and diluted)		43,453,476			37,367,600			30,122,928
Unitholders' interest in net income per BUC (basic and diluted):
	Income (loss) from continuing operations	$	0.32		$	0.09		$	(0.06	)
	Income from discontinued operations	0.08			0.05			0.02
	Net income (loss)	$	0.40		$	0.14		$	(0.04	)