Noncontrolling Interests - Operating Partnership (Tables)

3 Months Ended

Mar. 31, 2018

Noncontrolling Interests - Operating Partnership

Schedule of ownership interests in our Operating Partnership

	March 31, 2018			December 31, 2017
	Number of Units	Percentage of Total		Number of Units	Percentage of Total
CoreSite Realty Corporation	33,974,930	71.1	%	33,826,264	71.0	%
Noncontrolling interests	13,829,280	28.9		13,836,336	29.0
Total	47,804,210	100.0	%	47,662,600	100.0	%