XML 119 R103.htm IDEA: XBRL DOCUMENT
v3.23.2

Leases - Operating lease right-of-use assets and the amortization (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2022 CNY (¥) | Dec. 31, 2022 USD ($) | Jan. 01, 2022 CNY (¥)
--- | --- | --- | ---
Leases |  |  |
Operating lease right-of-use assets | ¥ 123,385 |  |
Less: accumulated amortization | (38,059) |  |
Total | ¥ 85,326 | $ 12,371 | ¥ 74,892

X
- Definition Amount of accumulated depreciation of right-of-use asset from operating lease. + References No definition available. + Details
Name: | exc_OperatingLeaseRightOfUseAssetAccumulatedDepreciation
Namespace Prefix: | exc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, before accumulated depreciation, of right-of-use asset from operating lease. + References No definition available. + Details
Name: | exc_OperatingLeaseRightOfUseAssetBeforeAccumulatedDepreciation
Namespace Prefix: | exc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_LesseeDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of lessee's right to use underlying asset under operating 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 https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseRightOfUseAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant