v3.25.2
Derivative Instruments (Narrative) (Details) - USD ($)
 6 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Dec. 31, 2020
Derivative [Line Items]      
Derivative, Notional Amount $ 4,611,075,000 $ 4,631,381,000  
Derivative Asset [1] $ 74,222,000 62,648,000  
Interest Rate Floor [Member]      
Derivative [Line Items]      
Derivative, Description of Terms As of June 30, 2025, the Company held four interest rate floors indexed to 1-month SOFR to hedge the risk of declining interest rates on certain floating rate commercial loans. The floors have a combined notional value of $2.0 billion and are forward-starting. Each of the four interest rate floors has a six-year term and a notional amount of $500.0 million. In the event that the index rate falls below zero, the maximum rate that the Company can earn on the notional amount of each floor is limited to the strike rate.    
Derivative, Premium Paid $ 90,200,000    
Maximum Length of Time Hedged in Interest Rate Cash Flow Hedge 6 years    
Unrealized gain (loss) on interest rate cash flow hedges, pretax, amount recorded in accumulated other comprehensive income $ 13,600,000    
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months 11,600,000    
Derivative, Notional Amount 2,000,000,000 2,000,000,000  
Monetized Interest Rate Floor [Member]      
Derivative [Line Items]      
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months 16,000,000.0    
Derivative, Notional Amount     $ 1,500,000,000
Derivative Asset     $ 163,200,000
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred $ 18,900,000    
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimate of Time to Transfer 1 year 6 months    
Interest rate swaps      
Derivative [Line Items]      
Derivative, Notional Amount $ 1,953,737,000 $ 2,065,400,000  
Variation Margin Impact to Positive Fair Values of Cleared Swaps $ 0    
[1]
* The fair value of each class of derivative is shown in Note 11.