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Consolidated Statements of Operations (Parentheticals) - CNY (¥)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
Other revenues from transactions with a related party	¥ 1,211,216
Cost of Company owned and operated stores from transactions with a related party	53,208,876	72,109,353	36,862,860
Service fee from transactions with a related party	600,000	600,000	550,000
Franchise and royalty expenses from transactions with related parties	¥ 47,477,864	¥ 51,697,551	¥ 31,882,569

X

- Definition

The amount of cost of company owned and operated stores from transactions with a related party.

+ References

No definition available.

+ Details

Name:	thch_CostOfCompanyOwnedAndOperatedStoresFromTransactionsWithARelatedParty
Namespace Prefix:	thch_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of franchise and royalty expenses from transactions with related parties.

+ References

No definition available.

+ Details

Name:	thch_FranchiseAndRoyaltyExpensesFromTransactionsWithRelatedParties
Namespace Prefix:	thch_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Represents the amount of revenues from transactions with a related party.

+ References

No definition available.

+ Details

Name:	thch_RevenuesFromTransactionsWithRelatedParty
Namespace Prefix:	thch_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of service fee from transactions with a related party.

+ References

No definition available.

+ Details

Name:	thch_ServiceFeeFromTransactionsWithRelatedParties
Namespace Prefix:	thch_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_IncomeStatementAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration