v3.19.3
Document and Entity Information - shares
9 Months Ended
Sep. 30, 2019
Nov. 08, 2019
Oct. 25, 2019
Document and Entity Information [Line Items]      
Document Type 10-Q    
Amendment Flag false    
Document Period End Date Sep. 30, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus Q3    
Entity Registrant Name Globalstar, Inc.    
Entity Central Index Key 0001366868    
Current Fiscal Year End Date --12-31    
Entity Filer Category Accelerated Filer    
Entity Emerging Growth Company false    
Entity Small Business false    
Entity Shell Company false    
Entity Current Reporting Status Yes    
Voting Common Stock      
Document and Entity Information [Line Items]      
Entity Common Stock, Shares Outstanding (in shares)   1,451,653,498  
Nonvoting Common Stock      
Document and Entity Information [Line Items]      
Entity Common Stock, Shares Outstanding (in shares)     0