| Document and Entity Information | Jun. 01, 2021 |
| Cover [Abstract] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001710583 |
| Document Type | 8-K |
| Document Period End Date | Jun. 1, 2021 |
| Entity Registrant Name | Switch, Inc. |
| Entity Incorporation State Country Code | NV |
| Entity File Number | 001-38231 |
| Entity Tax Identification Number | 82-1883953 |
| Entity Address, Address Line One | 7135 S. Decatur Boulevard |
| Entity Address, City or Town | Las Vegas |
| Entity Address, State or Province | NV |
| Entity Address, Postal Zip Code | 89118 |
| City Area Code | (702) |
| Local Phone Number | 444-4111 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Class A common stock, par value $0.001 |
| Trading Symbol | SWCH |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
