Net Income Per Share - Calculation of Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Numerator—basic:
Net income attributable to Switch, Inc.—basic	$ 12,793	$ 11,641
Numerator—diluted:
Net income attributable to Switch, Inc.—diluted	$ 12,793	$ 11,641
Denominator—basic:
Weighted average shares outstanding—basic (in shares)	147,745	126,641
Basic net income per share (in dollars per share)	$ 0.09	$ 0.09
Denominator—diluted:
Weighted average shares outstanding—basic (in shares)	147,745	126,641
Weighted average effect of dilutive securities:
Weighted average shares outstanding - diluted (in shares)	153,265	129,110
Net income per share - diluted (in dollars per share)	$ 0.08	$ 0.09
Stock options
Weighted average effect of dilutive securities:
Weighted average effect of dilutive securities (in shares)	4,173	1,471
Restricted stock units
Weighted average effect of dilutive securities:
Weighted average effect of dilutive securities (in shares)	1,268	904
Dividend equivalent units
Weighted average effect of dilutive securities:
Weighted average effect of dilutive securities (in shares)	26	46
Restricted stock awards
Weighted average effect of dilutive securities:
Weighted average effect of dilutive securities (in shares)	52	48