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Investments in Other Entities and Noncontrolling Interest in a Subsidiary - NG Advantage (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Oct. 14, 2014
Schedule of Equity Method Investments [Line Items]        
Outstanding balance $ 227,907   $ 226,779  
Payments to acquire additional controlling interest 13,271 $ 0    
Loss from noncontrolling interest $ (115) (64)    
NG Advantage        
Schedule of Equity Method Investments [Line Items]        
Ownership interest after transaction (as a percent) 93.30%      
Loss from noncontrolling interest $ 100 $ 100    
Investments carried at cost $ 5,500   $ 5,600  
NG Advantage        
Schedule of Equity Method Investments [Line Items]        
Ownership interest acquired       53.30%