Fair Value Measurement - Additional Information (Detail)	Mar. 31, 2023 USD ($)
Fair Value Disclosures [Abstract]
Fair value input transfer between levels	$ 0

The fair value input amount of assets and liabilities between levels.

No definition available.

Name:	avro_FairValueInputAmountTransferBetweenLevels
Namespace Prefix:	avro_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant