XML 124 R103.htm IDEA: XBRL DOCUMENT v3.23.1

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