Noncontrolling Interests - Operating Partnership (Tables)

6 Months Ended

Jun. 30, 2017

Noncontrolling Interests - Operating Partnership

Schedule of ownership interests in our Operating Partnership

	June 30, 2017			December 31, 2016
	Number of Units	Percentage of Total		Number of Units	Percentage of Total
CoreSite Realty Corporation	33,799,558	70.9	%	33,376,568	70.7	%
Noncontrolling interests	13,844,647	29.1		13,851,347	29.3
Total	47,644,205	100.0	%	47,227,915	100.0	%