Non-controlling Interest - Narrative (Details) - USD ($) $ / shares in Units, shares in Thousands	1 Months Ended	3 Months Ended	12 Months Ended
	Nov. 30, 2019	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Aug. 31, 2018
Noncontrolling Interest [Line Items]
Issuance of common stock (in shares)		572,432
Authorized repurchases of outstanding common units						$ 150,000,000.0
Increase in authorized amount under stock repurchase program	$ 5,000,000.0
Repurchase of common units (in shares)			6,400	6,100
Payments for repurchase of common units			$ 91,046,000	$ 60,644,000	$ 0
Cash distributions (in dollars per share)			$ 0.118	$ 0.059
Switch, Ltd.
Noncontrolling Interest [Line Items]
Distributions			$ 20,100,000	$ 11,600,000	185,400,000
Distributions to members in accordance with percentage interests					112,000,000
Distributions to members upon the accelerated vesting of Incentive Units in connection with the closing of the IPO					8,200,000
Return to Capital Distribution | Switch, Ltd.
Noncontrolling Interest [Line Items]
Distributions to members with unreturned capital contributions					$ 73,400,000
Class A
Noncontrolling Interest [Line Items]
Issuance of common stock (in shares)			34,000	19,100
Class A | Common Stock
Noncontrolling Interest [Line Items]
Issuance of common stock (in shares)		35,938	484	131
Entity in which a Board Member has a Beneficial Ownership Interest
Noncontrolling Interest [Line Items]
Payments for repurchase of common units			$ 12,800,000
Founder Members
Noncontrolling Interest [Line Items]
Payments for repurchase of common units			$ 2,700,000