v3.26.1
Cover Page - shares
 6 Months Ended
Jun. 30, 2026
Aug. 03, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Entity File Number 001-41603  
Entity Registrant Name BRIDGER AEROSPACE GROUP HOLDINGS, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 88-3599336  
Entity Address, Address Line One 90 Aviation Lane  
Entity Address, City or Town Belgrade  
Entity Address, State or Province MT  
Entity Address, Postal Zip Code 59714  
City Area Code 406  
Local Phone Number 813-0079  
Title of 12(b) Security Common Stock, $0.0001 par value per share  
Trading Symbol BAER  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   58,826,140
Entity Central Index Key 0001941536  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Warrants    
Document Information [Line Items]    
Title of 12(b) Security Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50 per share  
Trading Symbol BAERW  
Security Exchange Name NASDAQ