Derivative Financial Instruments and Hedging Activities - Offsetting Derivative Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Derivative assets
Gross Amount Recognized in the Consolidated Balance Sheets	$ 347,022	$ 1,002,953
Gross Amount Offset in the Consolidated Balance Sheets	0	0
Net Amount Presented in the Consolidated Balance Sheets	347,022	1,002,953
Financial Instruments	(340,280)	(316,320)
Collateral Received and Posted	0	(1,800)
Net Amount	6,742	684,833
Derivative liabilities
Gross Amount Recognized in the Consolidated Balance Sheets	1,069,131	318,000
Gross Amount Offset in the Consolidated Balance Sheets	0	0
Net Amount Presented in the Consolidated Balance Sheets	1,069,131	318,000
Financial Instruments	(340,280)	(316,320)
Collateral Received and Posted	(36,190)	0
Net Amount	$ 692,661	$ 1,680