Quarterly report [Sections 13 or 15(d)]

Derivative Instruments and Hedging Activities - Interest Rate Swap Receivers (Details)

v3.25.3
Derivative Instruments and Hedging Activities - Interest Rate Swap Receivers (Details) - Receivers - USD ($)
 9 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2024
Interest rate swap agreements    
Derivative [Line Items]    
Notional Amount $ 9,707,557,000 $ 2,711,726,000
Weighted Average Pay Rate 4.24% 4.49%
Weighted Average Fixed Pay Rate 3.634% 3.565%
Weighted Average Maturity (Years) 7 years 3 months 18 days 6 years 7 months 6 days
Interest rate swap agreements | ≤ 1 year    
Derivative [Line Items]    
Notional Amount $ 0 $ 786,641,000
Weighted Average Pay Rate 0.00% 4.49%
Weighted Average Fixed Pay Rate 0.00% 4.025%
Weighted Average Maturity (Years) 0 years 2 months 19 days
Interest rate swap agreements | > 1 and ≤ 3 years    
Derivative [Line Items]    
Notional Amount $ 1,923,492,000 $ 929,804,000
Weighted Average Pay Rate 4.24% 4.49%
Weighted Average Fixed Pay Rate 3.875% 3.328%
Weighted Average Maturity (Years) 1 year 5 months 23 days 2 years 9 months
Interest rate swap agreements | > 3 and ≤ 5 years    
Derivative [Line Items]    
Notional Amount $ 3,428,123,000 $ 352,348,000
Weighted Average Pay Rate 4.24% 4.49%
Weighted Average Fixed Pay Rate 3.413% 3.099%
Weighted Average Maturity (Years) 4 years 9 months 14 days 4 years 8 months 15 days
Interest rate swap agreements | > 5 and ≤ 7 years    
Derivative [Line Items]    
Notional Amount $ 1,303,911,000 $ 99,607,000
Weighted Average Pay Rate 4.24% 4.49%
Weighted Average Fixed Pay Rate 3.525% 3.097%
Weighted Average Maturity (Years) 6 years 6 months 25 days 6 years 8 months 12 days
Interest rate swap agreements | > 7 and ≤ 10 years    
Derivative [Line Items]    
Notional Amount $ 1,698,806,000 $ 0
Weighted Average Pay Rate 4.24% 0.00%
Weighted Average Fixed Pay Rate 3.811% 0.00%
Weighted Average Maturity (Years) 9 years 10 months 2 days 0 years
Interest rate swap agreements | > 10 years    
Derivative [Line Items]    
Notional Amount $ 1,353,225,000 $ 543,326,000
Weighted Average Pay Rate 4.24% 4.49%
Weighted Average Fixed Pay Rate 3.732% 3.384%
Weighted Average Maturity (Years) 19 years 5 months 12 days 20 years 1 month 17 days
Forward Starting Interest Rate Swap    
Derivative [Line Items]    
Notional Amount   $ 719,800,000
Weighted Average Fixed Pay Rate   4.00%
Weighted Average Maturity (Years)   2 years 7 months 6 days