Offsetting Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Gross amounts recognized
Federal funds sold and securities purchased under agreements to resell	$ 1,170,000	$ 2,451,000
Derivatives (included in Other assets)	420,000	386,000
Total assets	1,590,000	2,837,000
Federal funds and other short-term borrowings	4,612,000	10,442,000
Derivatives (included in Other liabilities)	333,000	451,000
Total liabilities	4,945,000	10,893,000
Gross amounts offset on the balance sheet
Federal funds sold and securities purchased under agreements to resell	(233,000)	(25,000)
Derivatives (included in Other assets)	0	0
Total assets	(233,000)	(25,000)
Federal funds and other short-term borrowings	(233,000)	(25,000)
Derivatives (included in Other liabilities)	0	0
Total liabilities	(233,000)	(25,000)
Net amounts presented on the balance sheet
Federal funds sold and securities purchased under agreements to resell	937,000	2,426,000
Derivatives (included in Other assets)	420,000	386,000
Total assets	1,357,000	2,812,000
Federal funds and other short-term borrowings	4,379,000	10,417,000
Derivatives (included in Other liabilities)	333,000	451,000
Total liabilities	4,712,000	10,868,000
Gross amounts not offset in the balance sheet, Financial Instruments
Federal funds sold and securities purchased under agreements to resell	0	0
Derivatives (included in Other assets)	(31,000)	(10,000)
Total assets	(31,000)	(10,000)
Federal funds and other short-term borrowings	0	0
Derivatives (included in Other liabilities)	(31,000)	(10,000)
Total liabilities	(31,000)	(10,000)
Gross amounts not offset in the balance sheet, Cash collateral received/ pledged
Federal funds sold and securities purchased under agreements to resell	0	0
Derivatives (included in Other assets)	(357,000)	(367,000)
Total assets	(357,000)	(367,000)
Federal funds and other short-term borrowings	0	0
Derivatives (included in Other liabilities)	(1,000)	0
Total liabilities	$ (1,000)	$ 0
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities
Net amount
Federal funds sold and securities purchased under agreements to resell	$ 937,000	$ 2,426,000
Derivatives (included in Other assets)	32,000	9,000
Total assets	969,000	2,435,000
Federal funds and other short-term borrowings	4,379,000	10,417,000
Derivatives (included in Other liabilities)	301,000	441,000
Total liabilities	$ 4,680,000	$ 10,858,000