XML 66 R53.htm IDEA: XBRL DOCUMENT
v3.22.4

Variable Interest Entity - Additional Information (Details) - VIE |  | 12 Months Ended
--- | --- | ---
Jul. 12, 2017 | Dec. 31, 2021
Jivi [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity interest Owned | 19.00% |
Wangbo [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity interest Owned | 51.00% | 100.00%
Service fee (percentage) | 95.00% |
Third Party [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity interest Owned | 30.00% |
Wangbo | Jivi [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity interest Owned |  | 51.00%
Shangchi Automobile [Member]. |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity interest Owned |  | 19.00%
Shangchi Automobile [Member]. | Third Party [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity interest Owned |  | 30.00%

X
- Definition Represents the percentage of equity interest owned from counterparty. + References No definition available. + Details
Name: | tanh_EquityInterestOwnedFromCounterparty
Namespace Prefix: | tanh_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of payment of service fee on net profit after tax. + References No definition available. + Details
Name: | tanh_PaymentOfServiceFeeOnNetProfitAfterTax
Namespace Prefix: | tanh_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_CounterpartyNameAxis=tanh_JiviMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=tanh_WangboMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=tanh_ThirdPartyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=tanh_HangzhouWangboInvestmentManagementCo.LtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=tanh_ShangchiAutomobileCoLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=tanh_ThirdPartyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |