Lessee, Lease Not Yet Commenced, Number Of Leases

No definition available.

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- Definition

Lessee, Lease Not Yet Commenced, Term of Contract

+ References

No definition available.

+ Details

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- Definition

Lessee, Leases Not Yet Commenced, Commitment Amount

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

Lessee Leasing Arrangements, Finance Leases, Number of Lease Renewal Periods, Option One

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
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Period Type:	duration

- Definition

Lessee Leasing Arrangements, Finance Leases, Number of Lease Renewal Periods, Option Two

+ References

No definition available.

+ Details

Name:	swch_LesseeLeasingArrangementsFinanceLeasesNumberOfLeaseRenewalPeriodsOptionTwo
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Data Type:	xbrli:integerItemType
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- Definition

Lessee Leasing Arrangements, Finance Leases, Renewal Term, Option One

+ References

No definition available.

+ Details

Name:	swch_LesseeLeasingArrangementsFinanceLeasesRenewalTermOptionOne
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Data Type:	xbrli:durationItemType
Balance Type:	na
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- Definition

Lessee Leasing Arrangements, Finance Leases, Renewal Term, Option Two

+ References

No definition available.

+ Details

Name:	swch_LesseeLeasingArrangementsFinanceLeasesRenewalTermOptionTwo
Namespace Prefix:	swch_
Data Type:	xbrli:durationItemType
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- Definition

Operating Lease, Cost, Related Party

+ References

No definition available.

+ Details

Name:	swch_OperatingLeaseCostRelatedParty
Namespace Prefix:	swch_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of lessee's undiscounted obligation for lease payments for finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

+ Details

Name:	us-gaap_FinanceLeaseLiabilityPaymentsDue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of lessee's right to use underlying asset under finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Term of lessee's finance lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

+ Details

Name:	us-gaap_OperatingLeaseRightOfUseAsset
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_LeaseArrangementTypeAxis=swch_BatteryCapacityMember
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Balance Type:
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- Details

Name:	us-gaap_LeaseArrangementTypeAxis=us-gaap_ElectricityPurchasedMember
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- Details

Name:	us-gaap_LeaseArrangementTypeAxis=swch_NonCancellableLeasesExpiringThrough2066WithRelatedPartiesMember
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Balance Type:
Period Type:

- Details

Name:	us-gaap_LeaseArrangementTypeAxis=us-gaap_LongTermContractForPurchaseOfElectricPowerDomain
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Data Type:	na
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- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=swch_FiberFacilitiesMember
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- Details

Name:	srt_CounterpartyNameAxis=swch_NevadaBroadbandTelemedicineInitiativeMember
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- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=swch_SubstationEquipmentMember
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- Details

Name:	srt_CounterpartyNameAxis=swch_NVEnergyMember
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Leases - Narrative (Details)	12 Months Ended
Leases - Narrative (Details)	Dec. 31, 2020 USD ($) renewal_option	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Lessee, Lease, Description [Line Items]
Number of initial lease renewal option periods \| renewal_option	2
Term of initial lease renewal option period	10 years
Number of subsequent lease renewal option periods \| renewal_option	1
Term of subsequentlease renewal option period	5 years
Future minimum payment obligations related to finance lease	$ 159,217,000
Operating lease ROU assets	29,200,000	$ 30,600,000
Related party rent included in operating lease cost	$ 4,700,000	4,700,000
Rent expense related to operating leases			$ 7,700,000
Battery Capacity
Lessee, Lease, Description [Line Items]
Number of leases not yet commenced	2
Term of leases not yet commenced	25 years
Aggregate lease commitments under leases not yet commenced	$ 848,000,000.0
Purchased Electricity
Lessee, Lease, Description [Line Items]
Term of leases not yet commenced	20 years
Non-Cancellable Leases Expiring Through 2066 With Related Parties
Lessee, Lease, Description [Line Items]
Rent expense related to operating leases			$ 5,000,000.0
Long-term Contract for Purchase of Electric Power [Domain]
Lessee, Lease, Description [Line Items]
Number of leases not yet commenced	3
Land
Lessee, Lease, Description [Line Items]
Finance lease ROU assets	$ 36,700,000	37,600,000
Building
Lessee, Lease, Description [Line Items]
Finance lease ROU assets	9,900,000	10,700,000
Fiber facilities
Lessee, Lease, Description [Line Items]
Finance lease ROU assets	1,100,000	1,100,000
Fiber facilities \| Nevada Broadband Telemedicine Initiative
Lessee, Lease, Description [Line Items]
Finance lease ROU assets	9,800,000	10,500,000
Future minimum payment obligations related to finance lease	$ 0
Finance lease renewal term	25 years
Substation equipment \| NV Energy
Lessee, Lease, Description [Line Items]
Finance lease ROU assets	$ 1,200,000	1,000,000.0
Future minimum payment obligations related to finance lease	0
Industrial development revenue bond
Lessee, Lease, Description [Line Items]
Finance lease ROU assets	$ 229,800,000	$ 133,100,000