v3.26.1
Derivative Financial Instruments - Free-Standing (Details) - Not designated as hedging instruments - Interest rate swaps - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Derivative financial instruments          
Notional amounts $ 2,938,125   $ 2,938,125   $ 3,018,578
Positive fair value, derivative asset 10,172   10,172   12,328
Negative fair value, derivative liability 10,172   10,172   $ 12,328
Net interest expense $ 0 $ 0 $ 0 $ 0  
Minimum          
Derivative financial instruments          
Floating rates (as a percentage) 3.62%   3.62%   3.87%
Fixed interest rates (as a percent) 2.39%   2.39%   2.39%
Maximum          
Derivative financial instruments          
Floating rates (as a percentage) 6.62%   6.62%   6.87%
Fixed interest rates (as a percent) 6.67%   6.67%   6.67%
Customer swap program          
Derivative financial instruments          
Notional amounts $ 2,900,000   $ 2,900,000   $ 3,000,000
Positive fair value, derivative asset 10,200   10,200   12,300
Negative fair value, derivative liability 10,200   10,200   $ 12,300
Upfront fees on the dealer swap $ 1,000 $ 100 $ 1,100 $ 500