CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Data center revenue:
Rental revenue	$ 124,130	$ 119,025	$ 244,609	$ 232,084
Interconnection revenue	18,776	17,422	37,192	33,982
Total operating revenues	142,906	136,447	281,801	266,066
Operating expenses:
Property operating and maintenance	38,067	37,861	76,177	71,709
Real estate taxes and insurance	5,988	4,693	12,184	9,630
Depreciation and amortization	36,996	35,558	72,642	69,334
Sales and marketing	5,784	5,369	11,436	10,449
General and administrative	12,282	10,297	22,452	19,482
Rent	7,733	6,547	15,421	12,947
Transaction costs		19		75
Total operating expenses	106,850	100,344	210,312	193,626
Operating income	36,056	36,103	71,489	72,440
Interest expense	(10,311)	(8,907)	(19,809)	(16,645)
Income before income taxes	25,745	27,196	51,680	55,795
Income tax (expense) benefit	(2)	83	(32)	50
Net income	25,743	27,279	51,648	55,845
Net income attributable to noncontrolling interests	6,208	7,890	12,452	16,154
Net income attributable to common shares	$ 19,535	$ 19,389	$ 39,196	$ 39,691
Net income per share attributable to common shares:
Basic	$ 0.54	$ 0.57	$ 1.08	$ 1.17
Diluted	$ 0.53	$ 0.57	$ 1.07	$ 1.16
Weighted average common shares outstanding
Basic	36,463,421	34,049,391	36,405,921	33,992,792
Diluted	36,618,533	34,220,321	36,580,547	34,183,408
Rental, power, and related revenue
Data center revenue:
Rental revenue	$ 121,083	$ 116,147	$ 238,936	$ 226,155
Office, light-industrial and other revenue
Data center revenue:
Rental revenue	$ 3,047	$ 2,878	$ 5,673	$ 5,929