Income per Common Share of the Trust (Tables)

6 Months Ended

Jun. 30, 2016

Earnings Per Share [Abstract]

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

The following table sets forth the computation of basic and diluted income per common share of the Trust (in thousands except per share amounts):

	For the Three Months Ended					For the Three Months Ended
	June 30, 2016					June 30, 2015
	Income (Numerator)		Weighted Average Shares (Denominator)	Per Share		Income (Numerator)		Weighted Average Shares (Denominator)	Per Share
Net income available to common shareholders - basic	$	49,627	145,995	$	0.34	$	35,513	148,778	$	0.24
Dilutive shares for long-term compensation plans	—		740			—		676
Net income available to common shareholders - diluted	$	49,627	146,735	$	0.34	$	35,513	149,454	$	0.24
	For the Six Months Ended					For the Six Months Ended
	June 30, 2016					June 30, 2015
	Income (Numerator)		Weighted Average Shares (Denominator)	Per Share		Income (Numerator)		Weighted Average Shares (Denominator)	Per Share
Net income available to common shareholders - basic	$	107,181	146,002	$	0.73	$	66,464	148,574	$	0.45
Dilutive shares for long-term compensation plans	—		620			—		673
Net income available to common shareholders - diluted	$	107,181	146,622	$	0.73	$	66,464	149,247	$	0.45