XML 29 R15.htm IDEA: XBRL DOCUMENT
v3.22.1

Other Non-Current Assets | 12 Months Ended
--- | ---
Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Other Non-Current Assets |
8. | OTHER NON-CURRENT ASSETS
Other non-current assets consist of the following:
|  | As of December 31, |
|  | 2020 |  |  | 2021 |  |  | 2021 |
|  | RMB |  |  | RMB |  |  | US$ |
|  | (in thousands) |
Rental deposits |  |  | 111,521 |  |  |  | 167,282 |  |  |  | 26,250 |
Others |  |  | 9,938 |  |  |  | 18,511 |  |  |  | 2,906 |
Total |  |  | 121,459 |  |  |  | 185,793 |  |  |  | 29,156 |

X
- Definition Other Non-current Assets. + References No definition available. + Details
Name: | ddl_OtherNonCurrentAssetsTextBlock
Namespace Prefix: | ddl_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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