XML 118 R90.htm IDEA: XBRL DOCUMENT
v3.21.4

Long-Term Investments (Details) - Schedule of long-term investments - CNY (¥) ¥ in Thousands | Dec. 31, 2020 | Dec. 31, 2019 | Mar. 31, 2018 | Jun. 30, 2017
--- | --- | --- | --- | ---
Equity method investments: |  |  |  |  |
Equity method investments |  |  |  | ¥ 500 | ¥ 3,000
Other equity method investments | [1] | ¥ 397 | ¥ 4,655 |  |
Equity securities without readily determinable fair values investments: |  |  |  |  |
Other equity securities without readily determinable fair values investments | [2] | 8,051 | 15,018 |  |
Total |  | 9,051 | 29,329 |  |
Youxiang City Hebei Real Estate Development and Operation Co., Ltd. (“Youxiang City”) [Mmeber] |  |  |  |  |
Equity method investments: |  |  |  |  |
Equity method investments |  | 603 | 8,646 |  |
Phoenix Tree Holdings Limited [Member] |  |  |  |  |
Equity securities with readily determinable fair values investment: |  |  |  |  |
Equity securities with readily determinable fair values investment |  |  | ¥ 1,010 |  |
[1] | The Group holds 1% to 40% equity interests in other third-party companies through investments in their equity interests. The Group holds 1% equity interests in a company and has the ability to exercise significant influence. For other investments, the Group holds over 20% equity interests. The Group accounts for these investments by using equity method because the Group has the ability to exercise significant influence but does not have control over the Group has the ability to exercise significant influence but does not have control over the investees. The Group recognized gain or loss according to its equity interest percentage in these investees. In addition, the impairment recognized for other equity method investments were RMB nil, RMB 6,303 and RMB 3,460 for the years ended December 31, 2018, 2019 and 2020.
[2] | The balance represents equity securities without readily determinable fair values for Group does not have the ability to exercise significant influence over the investees relating to a cost method investment. For the years ended December 31, 2018, 2019 and 2020, the Group recorded impairment losses of RMB 18,990, RMB31,150 and RMB6,600 to other equity securities without readily determinable fair value, respectively as the Group believes the carrying value of the investments were no longer recoverable.

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

X
- Definition Equity securities with readily determinable fair values investment. + References No definition available. + Details
Name: | uk_EquitySecuritiesWithReadilyDeterminableFairValuesInvestment
Namespace Prefix: | uk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

X
- References No definition available. + Details
Name: | uk_TotalLongtermInvestment
Namespace Prefix: | uk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109237563&loc=d3e33749-111570 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8813-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_EquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in equity security without readily determinable fair value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714 + Details
Name: | us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of long-term investments classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(f)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_OtherLongTermInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=uk_YouxiangCityHebeiRealEstateDevelopmentAndOperationCoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=uk_PhoenixTreeHoldingsLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |