Non-controlling Interests

6 Months Ended

Jun. 30, 2016

Non-controlling Interests [Abstract]

Non-controlling Interests [Text Block]

13. Non-controlling Interests

The following table summarizes the effect of changes in our ownership interest in subsidiaries on the equity attributable to common shareholders for the periods indicated:

	Six Months Ended June 30,
(in thousands)	2016		2015
Net income attributable to common shareholders	$	488,032	$	151,678
Transfers from non-controlling interests:
Increase in equity for conversion of operating partnership units	255		16
Decrease in additional paid-in capital for purchase of remaining non-controlling ownership interests in two consolidated joint ventures	—		(9,480		)
Change in common equity and net transfers from non-controlling interests	$	488,287	$	142,214