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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

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- Definition

The percentage of payment of service fee on net profit after tax.

+ References

No definition available.

+ Details

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- 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

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- Details

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X

- Details

Name:	srt_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
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X

- Details

Name:	srt_CounterpartyNameAxis=tanh_WangboMember
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X

- Details

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X

- Details

Name:	dei_LegalEntityAxis=tanh_HangzhouWangboInvestmentManagementCo.LtdMember
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X

- Details

Name:	srt_OwnershipAxis=tanh_ShangchiAutomobileCoLtdMember
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X

- Details

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