CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Data center revenue:
Interconnection revenue	$ 19,082	$ 17,701	$ 56,274	$ 51,683
Total operating revenues	144,891	139,180	426,692	405,246
Operating expenses:
Property operating and maintenance	41,251	41,161	117,428	112,870
Real estate taxes and insurance	4,973	4,699	17,157	14,329
Depreciation and amortization	40,546	36,264	113,188	105,598
Sales and marketing	5,476	5,180	16,912	15,629
General and administrative	10,671	10,074	33,123	29,556
Rent	8,331	7,329	23,752	20,276
Transaction costs				75
Total operating expenses	111,248	104,707	321,560	298,333
Operating income	33,643	34,473	105,132	106,913
Interest expense	(10,986)	(9,433)	(30,795)	(26,078)
Income before income taxes	22,657	25,040	74,337	80,835
Income tax (expense) benefit	(13)	(20)	(45)	30
Net income	22,644	25,020	74,292	80,865
Net income attributable to noncontrolling interests	5,194	6,420	17,646	22,574
Net income attributable to common shares	$ 17,450	$ 18,600	$ 56,646	$ 58,291
Net income per share attributable to common shares:
Basic	$ 0.47	$ 0.52	$ 1.55	$ 1.69
Diluted	$ 0.47	$ 0.52	$ 1.54	$ 1.68
Weighted average common shares outstanding
Basic	36,950,950	35,512,091	36,589,593	34,504,790
Diluted	37,132,155	35,721,478	36,763,241	34,693,835
Rental, power, and related revenue
Data center revenue:
Rental revenue	$ 122,598	$ 118,590	$ 361,534	$ 344,745
Office, light-industrial and other revenue
Data center revenue:
Rental revenue	$ 3,211	$ 2,889	$ 8,884	$ 8,818