SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES , Summary of basic and diluted net income loss per share of ordinary share (Detail)	4 Months Ended
	Dec. 31, 2020 USD ($) $ / shares shares
Class A Ordinary Share [Member]
Numerator:
Allocation of net loss, as adjusted \| $	$ (97,057,379)
Denominator:
Weighted Average Number of Shares Outstanding, Basic and Diluted \| shares	34,645,669
Basic and Diluted net loss per ordinary share \| $ / shares	$ (2.80)
Common Class B [Member]
Numerator:
Allocation of net loss, as adjusted \| $	$ (33,942,510)
Denominator:
Weighted Average Number of Shares Outstanding, Basic and Diluted \| shares	12,116,142
Basic and Diluted net loss per ordinary share \| $ / shares	$ (2.80)

Amount after tax of income (loss) from continuing operations attributable to the parent.

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+ Details

Altimeter Growth Corp. 10-K/A