Commitments and Contingencies - Schedule of Supplemental Disclosure Cash Flow Related to Operating Leases (Details) $ in Thousands	3 Months Ended
Mar. 31, 2019 USD ($)
Cash flows from operating activities
Cash paid for amounts included in the measurement of lease liabilities	$ 1,356

Cash paid for amounts included in the measurement of lease liabilities.

No definition available.

Name:	adro_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities
Namespace Prefix:	adro_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration