Balance Sheet Offsetting - Financial Instruments Derivative Assets Liabilities and Resell Agreements Net of Amount Not Offset (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Net Amount Recognized, Derivatives, Financial Assets	$ 101,329	$ 119,723
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Assets	(25,714)	(32,431)
Gross Amounts Not Offset, Collateral, Derivatives, Financial Assets	(74,157)	(84,839)
Net Amount, Derivatives, Financial Assets	1,458	2,453
Net Amount Recognized, Resell Agreements, Financial Assets	9,650	84,650
Gross Amounts Not Offset, Financial Instruments, Resell Agreements, Financial Assets	0	0
Gross Amounts Not Offset, Collateral, Resell Agreements, Financial Assets	(9,650)	(84,650)
Net Amount, Resell Agreements, Financial Assets	0	0
Net Amount Recognized, Total Financial Assets	110,979	204,373
Gross Amounts Not Offset, Collateral, Financial Assets	(83,807)	(169,489)
Net Amount, Financial Assets	1,458	2,453
Net Amount Recognized, Derivatives, Financial Liabilities	26,019	41,311
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Liabilities	(25,714)	(32,431)
Gross Amounts Not offset, Collateral, Derivatives, Financial Liabilities	(305)	(8,580)
Net Amount, Derivatives, Financial Liabilities	0	300
Net Amount Recognized, Repurchase Agreements, Financial Liabilities	4,342,941	4,127,188
Gross Amounts Not Offset, Financial Instruments, Repurchase Agreements, Financial Liabilities	0	0
Gross Amounts Not Offset, Collateral, Repurchase Agreements, Financial Liabilities	(4,342,941)	(4,127,188)
Net Amount, Repurchase Agreements, Financial Liabilities	0	0
Net Amount Recognized, Financial Liabilities	4,368,960	4,168,499
Gross Amounts Not Offset, Collateral, Financial Liabilities	(4,343,246)	(4,135,768)
Net Amount, Financial Liabilities	0	300
Counterparty H
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Net Amount Recognized, Derivatives, Financial Assets	36,286	36,551
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Assets	(10,129)	(8,870)
Gross Amounts Not Offset, Collateral, Derivatives, Financial Assets	(26,157)	(27,170)
Net Amount, Derivatives, Financial Assets	0	511
Net Amount Recognized, Derivatives, Financial Liabilities	10,129	8,870
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Liabilities	(10,129)	(8,870)
Gross Amounts Not offset, Collateral, Derivatives, Financial Liabilities	0	0
Net Amount, Derivatives, Financial Liabilities	0	0
Counterparty F
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Net Amount Recognized, Derivatives, Financial Assets	15,505	31,202
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Assets	(2,322)	(7,444)
Gross Amounts Not Offset, Collateral, Derivatives, Financial Assets	(11,759)	(22,954)
Net Amount, Derivatives, Financial Assets	1,424	804
Net Amount Recognized, Derivatives, Financial Liabilities	2,322	7,444
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Liabilities	(2,322)	(7,444)
Gross Amounts Not offset, Collateral, Derivatives, Financial Liabilities	0	0
Net Amount, Derivatives, Financial Liabilities	0	0
Counterparty B
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Net Amount Recognized, Derivatives, Financial Assets	22,338	23,829
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Assets	(4,522)	(5,151)
Gross Amounts Not Offset, Collateral, Derivatives, Financial Assets	(17,816)	(18,472)
Net Amount, Derivatives, Financial Assets	0	206
Net Amount Recognized, Derivatives, Financial Liabilities	4,522	5,151
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Liabilities	(4,522)	(5,151)
Gross Amounts Not offset, Collateral, Derivatives, Financial Liabilities	0	0
Net Amount, Derivatives, Financial Liabilities	0	0
Counterparty E
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Net Amount Recognized, Derivatives, Financial Assets	14,219	13,271
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Assets	(2,109)	(4,548)
Gross Amounts Not Offset, Collateral, Derivatives, Financial Assets	(12,100)	(8,723)
Net Amount, Derivatives, Financial Assets	10	0
Net Amount Recognized, Derivatives, Financial Liabilities	2,109	4,548
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Liabilities	(2,109)	(4,548)
Gross Amounts Not offset, Collateral, Derivatives, Financial Liabilities	0	0
Net Amount, Derivatives, Financial Liabilities	0	0
Other Counterparties [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Net Amount Recognized, Derivatives, Financial Assets	12,981	14,870
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Assets	(6,632)	(6,418)
Gross Amounts Not Offset, Collateral, Derivatives, Financial Assets	(6,325)	(7,520)
Net Amount, Derivatives, Financial Assets	24	932
Net Amount Recognized, Derivatives, Financial Liabilities	6,937	15,298
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Liabilities	(6,632)	(6,418)
Gross Amounts Not offset, Collateral, Derivatives, Financial Liabilities	(305)	(8,580)
Net Amount, Derivatives, Financial Liabilities	$ 0	$ 300