Rendering

Component: (Network and Table)
Network
2411405 - Disclosure - Stock-Based Compensation Restricted Stock (Details)
(http://www.aleris.com/role/StockBasedCompensationRestrictedStockDetails)
TableSchedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001518587 (http://www.sec.gov/CIK)
Award Type [Axis]Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
Shares
 
 
 
Outstanding at beginning of period (in shares)
250,142  
  
Granted (in shares)
34,173  
  
Vested (in shares)
(103,985) 
  
Forfeited (in shares)
(10,794) 
  
Outstanding at end of period (in shares)
169,536  
 
250,142  
 
 
 
Weighted average grant date fair value
 
 
 
Outstanding at beginning of period (in dollars per share)
25.97  
  
Granted (in dollars per share)
23.70  
23.70  
27.17  
Vested (in dollars per share)
25.88  
  
Forfeited (in dollars per share)
24.74  
  
Outstanding at end of period (in dollars per share)
25.64  
25.97