v3.26.1
Our Portfolio - Schedule of Analysis of Portfolio Performance Ratings (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Financing Receivable, Nonaccrual [Line Items]        
Total receivables held-for-investment $ 3,319,000 $ 3,342,000    
Less: Allowance for loss on receivables (67,000) (62,000)    
Net receivables held-for-investment 3,251,630 3,280,046    
Equity method investments 4,253,780 4,115,909    
Total 7,600,000      
Total        
Financing Receivable, Nonaccrual [Line Items]        
Year one 0 518,000    
Year two 496,000 102,000    
Year three 102,000 934,000    
Year four 822,000 923,000    
Year five 1,034,000 278,000    
Year six 277,000      
Prior to 2021 588,000      
Prior to 2021   587,000    
Total receivables held-for-investment 3,319,000 3,342,000    
Less: Allowance for loss on receivables (67,000) (62,000)    
Net receivables held-for-investment 3,252,000 3,280,000    
Receivables held-for-sale 36,000 114,000    
Debt securities and real estate 76,000 76,000    
Equity method investments 4,254,000 4,116,000    
Total $ 7,618,000 $ 7,586,000    
Total | Percent of Portfolio | Credit concentration risk        
Financing Receivable, Nonaccrual [Line Items]        
Percent of Portfolio 100.00% 100.00%    
Receivables        
Financing Receivable, Nonaccrual [Line Items]        
Total receivables held-for-investment $ 3,289,000 $ 3,311,000    
Less: Allowance for loss on receivables (67,000) (62,000) $ (54,000) $ (50,000)
Receivables | 1        
Financing Receivable, Nonaccrual [Line Items]        
Year one 0 518,000    
Year two 461,000 102,000    
Year three 18,000 904,000    
Year four 792,000 923,000    
Year five 1,034,000 278,000    
Year six 277,000      
Prior to 2021 558,000      
Prior to 2021   556,000    
Total receivables held-for-investment 3,140,000 3,281,000    
Less: Allowance for loss on receivables (54,000) (58,000)    
Net receivables held-for-investment 3,086,000 3,223,000    
Receivables held-for-sale 33,000 58,000    
Debt securities and real estate 74,000 74,000    
Equity method investments 4,228,000 4,089,000    
Total $ 7,421,000 $ 7,444,000    
Receivables | 1 | Percent of Portfolio | Credit concentration risk        
Financing Receivable, Nonaccrual [Line Items]        
Percent of Portfolio 98.00% 98.00%    
Receivables | 2        
Financing Receivable, Nonaccrual [Line Items]        
Year one $ 0 $ 0    
Year two 35,000 0    
Year three 84,000 30,000    
Year four 30,000 0    
Year five 0 0    
Year six 0      
Prior to 2021 0      
Prior to 2021   0    
Total receivables held-for-investment 149,000 30,000    
Less: Allowance for loss on receivables (13,000) (4,000)    
Net receivables held-for-investment 136,000 26,000    
Receivables held-for-sale 0 0    
Debt securities and real estate 0 0    
Equity method investments 26,000 27,000    
Total $ 162,000 $ 53,000    
Receivables | 2 | Percent of Portfolio | Credit concentration risk        
Financing Receivable, Nonaccrual [Line Items]        
Percent of Portfolio 2.00% 1.00%    
Receivables | 3        
Financing Receivable, Nonaccrual [Line Items]        
Year one $ 0 $ 0    
Year two 0 0    
Year three 0 0    
Year four 0 0    
Year five 0 0    
Year six 0      
Prior to 2021 0      
Prior to 2021   0    
Total receivables held-for-investment 0 0    
Less: Allowance for loss on receivables 0 0    
Net receivables held-for-investment 0 0    
Receivables held-for-sale 0 0    
Debt securities and real estate 0 0    
Equity method investments 0 0    
Total $ 0 $ 0    
Receivables | 3 | Percent of Portfolio | Credit concentration risk        
Financing Receivable, Nonaccrual [Line Items]        
Percent of Portfolio 0.00% 0.00%    
Government        
Financing Receivable, Nonaccrual [Line Items]        
Total receivables held-for-investment $ 30,000 $ 31,000    
Less: Allowance for loss on receivables 0 0 $ 0 $ 0
Government | 1        
Financing Receivable, Nonaccrual [Line Items]        
Year one 0 0    
Year two 0 0    
Year three 0 0    
Year four 0 0    
Year five 0 0    
Year six 0      
Prior to 2021 30,000      
Prior to 2021   31,000    
Total receivables held-for-investment 30,000 31,000    
Less: Allowance for loss on receivables 0 0    
Net receivables held-for-investment 30,000 31,000    
Receivables held-for-sale 3,000 56,000    
Debt securities and real estate 2,000 2,000    
Equity method investments 0 0    
Total $ 35,000 $ 89,000    
Government | 1 | Percent of Portfolio | Credit concentration risk        
Financing Receivable, Nonaccrual [Line Items]        
Percent of Portfolio 0.00% 1.00%