Business Combination - Additional Information (Detail) - $ / shares		9 Months Ended
	Aug. 25, 2021	Sep. 30, 2023
Business Acquisition [Line Items]
Trading days required for entitlement of common stock		20 days
Consecutive trading days required for entitlement of common stock		30 days
Old eFFECTOR Stockholders | Common Stock [Member]
Business Acquisition [Line Items]
Common stock up on conversion	4,056,250
LWAC Stockholders | Common Stock Subject to Vesting
Business Acquisition [Line Items]
Trading days required for entitlement of common stock	20 days
Consecutive trading days required for entitlement of common stock	30 days
Common stock up on conversion	300,000
LWAC Stockholders | Common Stock Subject to Vesting | Minimum
Business Acquisition [Line Items]
Trigger price of common stock for vesting of unvested shares	$ 15