17. Quarterly Financial Information (Tables)

12 Months Ended

Dec. 31, 2016

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

The table below reflects the selected quarterly information for the years ended December 31, 2016 and 2015 (in thousands except share data):

	Three months ended
	December 31, 2016			September 30, 2016		June 30, 2016		March 31, 2016
Total revenue	$	141,688		$	134,326	$	128,538	$	124,149
Net income (1)	43,227			40,966		60,557		36,697
Net income attributable to common shares (1)	33,734			28,524		37,299		24,408
Net income attributable to common shares per common share-basic (1)	0.45			0.38		0.50		0.36
Net income attributable to common shares per common share-diluted (1) (2)	0.44			0.37		0.49		0.36
	Three months ended
	December 31, 2015			September 30, 2015		June 30, 2015		March 31, 2015
Total revenue	$	115,923		$	115,337	$	113,826	$	107,314
Net (loss) income (3)	(91,953		)	30,393		31,141		26,333
Net (loss) income attributable to common shares (3)	(79,871		)	19,062		19,668		15,803
Net (loss) income attributable to common shares per common share-basic (3)	(1.23		)	0.29		0.30		0.24
Net (loss) income attributable to common shares per common share-diluted (3)	(1.23		)	0.29		0.30		0.24

(1) Net income for the quarter ended June 30, 2016 includes a gain on sale of real estate of $22.8 million.

(2) Amounts do not equal full year results due to rounding.

(3) Net loss for the quarter ended December 31, 2015 includes an impairment on investment in real estate of $122.5 million.