Equity Method Investments (Details)	12 Months Ended
	Dec. 31, 2019 USD ($) investment	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Schedule of Equity Method Investments [Line Items]
Number of investments accounted for under the equity method | investment	2
Equity in net losses of investments	$ 0	$ 331,000	$ 1,077,000
SUPERNAP International
Schedule of Equity Method Investments [Line Items]
Ownership interest in equity method investments	50.00%
Equity method investment	$ 1,300,000
Carrying value of equity method investments	0
Equity in net losses of investments		300,000	$ 1,100,000
SUPERNAP International | Equity Method Investee
Schedule of Equity Method Investments [Line Items]
Reimbursable expenses due from related parties included in accounts receivable	$ 300,000	$ 400,000
Planet3
Schedule of Equity Method Investments [Line Items]
Ownership interest in equity method investments	45.00%
Equity method investment	$ 10,000,000