v3.26.1
DESCRIPTION OF THE PLAN - Stock Purchase Provisions (Details) - National Bank Holdings Corporation Employee Stock Purchase Plan - $ / shares
12 Months Ended
Feb. 28, 2026
Feb. 28, 2025
Feb. 29, 2024
DESCRIPTION OF THE PLAN      
Stock purchase price per share (% of FMV of company's common stock) 90.00%    
March - August of FY (Offering Period)      
DESCRIPTION OF THE PLAN      
Shares purchased 9,672 9,769 16,822
Purchase price $ 35.3 $ 39.43 $ 28.39
September - February of FY (Offering Period)      
DESCRIPTION OF THE PLAN      
Shares purchased 8,490 8,099 11,620
Purchase price $ 35.99 $ 37.68 $ 30.46