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v3.21.1

LEASES - Lease and other financing obligations secured by assets (Details) ¥ in Thousands | Dec. 31, 2020 CNY (¥)
--- | ---
Lessee, Lease, Description [Line Items] |
Assets to secure lease and other financing obligations | ¥ 707,130
Accounts receivable |
Lessee, Lease, Description [Line Items] |
Assets to secure lease and other financing obligations | 128,353
Property and equipment, net |
Lessee, Lease, Description [Line Items] |
Assets to secure lease and other financing obligations | ¥ 578,777

X
- Definition Amount of assets to secure lease and other financing obligations. + References No definition available. + Details
Name: | gds_AssetsHeldAsSecuritiesForLeaseAndOtherFinancingObligations
Namespace Prefix: | gds_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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
Name: | us-gaap_LesseeLeaseDescriptionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_AccountsReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_PropertyPlantAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |