SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Foreign currency exchange rate risk (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Depreciation of foreign currency (as a percent)	9.24%	2.29%
Government subsidies received	$ 2.1	$ 1.4	$ 0.8

Represents the percentage of depreciation of foreign currency.

No definition available.

Name:	adag_PercentageOfDepreciationOfForeignCurrency
Namespace Prefix:	adag_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration