v3.26.1
Business Combination - Narrative (Details)
$ in Thousands, $ in Millions
3 Months Ended 5 Months Ended
Feb. 02, 2026
USD ($)
Feb. 02, 2026
CAD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2026
CAD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2026
CAD ($)
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Business Combination [Line Items]                
Intangible asset useful life     72 months   72 months      
Goodwill     $ 206,835   $ 206,835   $ 203,930 $ 158,029
Customer relationships                
Business Combination [Line Items]                
Intangible asset useful life     78 months   78 months      
Computer Software                
Business Combination [Line Items]                
Intangible asset useful life     54 months   54 months      
Nelnet Diversified Services Canada, Inc                
Business Combination [Line Items]                
Acquisition of remaining voting equity interest 100.00%              
Increase of consideration transferred         $ 1,800 $ 2.6    
Payments to acquire businesses $ 105,800 $ 144.2 $ 107,600 $ 146.8        
Intangible assets $ 69,805              
Weighted average useful life of intangible assets acquired 6 years 6 years            
Goodwill $ 47,814              
Nelnet Diversified Services Canada, Inc | Customer relationships                
Business Combination [Line Items]                
Intangible assets $ 43,500              
Intangible asset useful life 7 years              
Nelnet Diversified Services Canada, Inc | Computer Software                
Business Combination [Line Items]                
Intangible assets $ 26,300              
Intangible asset useful life 5 years