Liquidity And Going Concern - Additional information (Detail)	Sep. 30, 2020 USD ($)
Liquidation And Going Concern Disclosure [Abstract]
Operating bank accounts	$ 501,925
Marketable securities held in Trust	318,009,666
Working capital deficit	1,203,602
Taxes payable, current	30,000
Prepaid income taxes	255,364
Deposit in the Trust	$ 1,760,000

Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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