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Condensed Statements of Operations (Unaudited) (Parenthetical) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Statement [Abstract]
Shares subject to possible redemption	27,082,526	27,181,690
Net loss per common share - basic and diluted excludes income attributable to shares subject to possible redemption	$ 1,908,436	$ 298,756

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- Definition

Net loss per common share - basic and diluted excludes income attributable to shares subject to possible redemption.

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No definition available.

+ Details

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Namespace Prefix:	THCB_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- Definition

Shares subject to possible redemption.

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No definition available.

+ Details

Name:	THCB_SharesSubjectToPossibleRedemption
Namespace Prefix:	THCB_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

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- References

No definition available.

+ Details

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