Common Shares Common Shares (Tables)

9 Months Ended

Sep. 30, 2017

Common Shares [Abstract]

Activity Under At the Market Share Offering Program [Table Text Block]

The following table presents activity under our 2017 ATM program for the three and nine months ended September 30, 2017.

	Three and Nine Months Ended
	September 30,
(in thousands, except per share amounts)	2017
Total net consideration	$	2,513.6
Common shares sold	28.1
Average price per share	$	90.44