Acquisition of BioNovion Holding, B.V. - Summary of Preliminary Fair Value of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Oct. 30, 2015
Intangible assets:
Goodwill	$ 7,658	$ 8,469
Aduro Biotech Europe
Assets acquired and liabilities assumed:
Cash and cash equivalents			$ 4,684
Accounts receivable			180
Prepaid expenses and other current assets			57
Property and equipment			814
Accounts payable			(1,460)
Accrued expenses and other liabilities			(780)
Net tangible assets acquired			3,495
Intangible assets:
Net intangible assets acquired			38,159
Goodwill			8,475
Deferred tax liabilities			(7,421)
Total			34,233
Aduro Biotech Europe | License agreement
Intangible assets:
Net intangible assets acquired			10,857
Aduro Biotech Europe | In-process research and development
Intangible assets:
Net intangible assets acquired			$ 18,827