v3.26.3
Investment in leases, financing receivables, net - Summary of Amortized Cost Basis of Company's Investment In Leases by Year of Origination (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Jun. 30, 2026
Mar. 31, 2026
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Investments, All Other Investments [Abstract]                    
Investment in leases, financing receivables $ 2,601,751           $ 2,601,751      
Allowance for credit losses (50,836)           (50,836)      
Amortized cost basis, 2022 182,135           182,135      
Amortized cost basis $ 2,550,915           $ 2,550,915      
Allowance as a percentage of outstanding financing receivable, 2022 (2.25%)           (2.25%)      
Allowance as a percentage of outstanding financing receivable, 2021 (2.41%)           (2.41%)      
Allowance as a percentage of outstanding financing receivable (1.95%)           (1.95%)      
Investment in leases, financing receivables. 2022 $ 186,323           $ 186,323      
Allowance for credit losses, 2022 (4,188)           (4,188)      
Investment in leases, financing receivables 2021 301,871           301,871      
Allowance for credit losses, 2021 (7,269)           (7,269)      
Amortized cost basis, 2021 294,602           294,602      
Net investment in lease and financing receivable, Year Four, originate two years prior to current fiscal year 106,493           106,493      
Net investment in lease and financing receivable, Year Four, Originated, Two Fiscal Years before Current Fiscal Year, Amortized Costs , 100,857           100,857      
Net Investment in Lease and Financing Receivable, Year Four, Originated, Two Fiscal Years before Current Fiscal Year, Allowance For Credit Loss 5,636           5,636      
Net investment in lease and financing receivable, Year Five, originate four years prior to current fiscal year $ 728,925           $ 728,925      
Net Investment in Lease and Financing Receivable, Year Four, Originated, Two Fiscal Years before Current Fiscal Year, Allowance For Credit Loss, Percentage (3.56%)           (3.56%)      
Net investment in lease and financing receivable, Year Five0, Originated, Four Fiscal Years before Current Fiscal Year, Amortized Costs , $ 702,950           $ 702,950      
Net Investment in Lease and Financing Receivable, Year Five, Originated, Four Fiscal Years before Current Fiscal Year, Allowance For Credit Loss 25,975           25,975      
Tioga Lease 30,083 $ 1,965 $ (45) $ (34,515) $ 46,223 $ 36,014        
Provision (benefit) for credit losses, net $ (50,836)     (105,468) $ (139,983) $ (93,760) $ (50,836) $ (105,468) $ (22,133) $ (57,746)
Net Investment in Lease and Financing Receivable, Year Four, Originated, Two Fiscal Years before Current Fiscal Year, Allowance For Credit Loss, Percentage (5.29%)           (5.29%)      
Allowance for Credit Losses, 2022 $ 4,188           $ 4,188      
Direct Financing Lease Unguaranteed Residual Asset 109,000           109,000   $ 102,600  
Accounts Receivable, Credit Loss Expense(Reversal)- Leases $ 30,100     $ 34,500     $ 32,000 $ 47,700