Rendering

Component: (Network and Table)
Network
100610 - Disclosure - Income Taxes - Income (Loss) before Income Taxes (Detail)
(http://www.alderbio.com/20161231/taxonomy/role/DisclosureIncomeTaxesIncomeLossBeforeIncomeTaxesDetail)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001423824 (http://www.sec.gov/CIK)
Income Tax Disclosure [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
Income Tax Disclosure [Abstract]
 
 
 
Domestic
(156,409,000) 
(85,595,000) 
8,826,000  
Foreign
155,000  
125,000  
82,000  
Income (loss) before income taxes
(156,254,000) 
 
(85,470,000) 
 
8,908,000