XML 12 R1.htm IDEA: XBRL DOCUMENT v3.5.0.2
Document and Entity Information - shares
9 Months Ended
Sep. 30, 2016
Nov. 07, 2016
Document and Entity Information:    
Entity Registrant Name PLUG POWER INC  
Document Type 10-Q  
Document Period End Date Sep. 30, 2016  
Amendment Flag false  
Entity Central Index Key 0001093691  
Current Fiscal Year End Date --12-31  
Entity Common Stock, Shares Outstanding   180,454,207
Entity Filer Category Accelerated Filer  
Entity Current Reporting Status Yes  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q3