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Condensed Statements of Changes in Stockholders’ Equity (Unaudited) (Parenthetical)	3 Months Ended
	Mar. 31, 2019 shares
Statement of Stockholders' Equity [Abstract]
Sale of Units, net of underwriting discounts	27,600,000
Sale of Private Units	687,000

X

- Definition

Sale of Private Units.

+ References

No definition available.

+ Details

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

X

- Definition

Sale of Units, net of underwriting discounts.

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

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