Description Of Organization And Business Operations - Additional Information (Detail) - USD ($)		9 Months Ended
	Dec. 04, 2020	Sep. 30, 2021	Dec. 31, 2020
Entity Incorporation, date of incorporation		Sep. 25, 2020
Shares issued price per share		$ 10.10
Deferred underwriting commissions	$ 8,100,000	$ 8,050,000	$ 8,050,000
Restricted investments term		185 days
Minimum networth to effect business combination		$ 5,000,001
Expenses payable on dissolution		100,000
Cash		1,266,041
Working capital (deficit)		638,000
Promissory note, outstanding amount		25,000	25,000
Promissory note		100,000	0
Working capital loan		$ 0	$ 0
Minimum [Member]
Percentage of the fair value of assets in trust account of the target company net of deferred undrwriting commissions and taxes		80.00%
Equity metohd investment ownership percentage		50.00%
Temporary equity, redemption price per share		$ 10.10
Underwriters [Member]
Reimbursement received	700,000
Sponsor [Member] \| Commercial Paper [Member]
Promissory note, outstanding amount		$ 25,000
Proceeds from Related Party Debt		89,000
Repayments of Related Party Debt		64,000
Sponsor [Member] \| Commercial Paper [Member] \| Liquidity and Capital Resources [Member]
Promissory note		$ 25,000
Sponsor [Member] \| Private Placement Warrants [Member]
Class of warrants and rights issued during the period		8,900,000
Class of warrants and rights issued, price per warrant		$ 1.00
Proceeds from issuance of warrants		$ 8,900,000
IPO [Member]
Shares issued price per share		$ 10.10
Proceeds from issuance of IPO		$ 232,300,000
Offering costs	12,500,000
Maximum percentage of shares redeemed without prior consent from company		0.15
Maximum percentage of shares redeemed on non completion of business combination		1
IPO [Member] \| Underwriters [Member]
Deferred underwriting commissions	8,100,000
Reimbursement received	$ 700,000
IPO [Member] \| Class A Ordinary Shares [Member]
Stock issued during period shares	23,000,000
Shares issued price per share	$ 10.00
Proceeds from issuance of IPO	$ 230,000,000.0
Offering costs	$ 12,500,000
Over-Allotment Option [Member] \| Class A Ordinary Shares [Member]
Stock issued during period shares	3,000,000

Trepont Acquisition Corp I 10-Q/A