Balance Sheet Offsetting - Financial Instruments Derivative Assets Liabilities and Resell Agreements Net of Amount Not Offset (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Net Amount Recognized, Derivatives, Financial Assets	$ 119,723	$ 118,994
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Assets	(32,431)	(62,528)
Gross Amounts Not Offset, Collateral, Derivatives, Financial Assets	(84,839)	(55,968)
Net Amount, Derivatives, Financial Assets	2,453	498
Net Amount Recognized, Resell Agreements, Financial Assets	84,650	87,150
Gross Amounts Not Offset, Financial Instruments, Resell Agreements, Financial Assets	0	0
Gross Amounts Not Offset, Collateral, Resell Agreements, Financial Assets	(84,650)	(87,150)
Net Amount, Resell Agreements, Financial Assets	0	0
Net Amount Recognized, Total Financial Assets	204,373	206,144
Gross Amounts Not Offset, Collateral, Financial Assets	(169,489)	(143,118)
Net Amount, Financial Assets	2,453	498
Net Amount Recognized, Derivatives, Financial Liabilities	41,311	73,829
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Liabilities	(32,431)	(62,528)
Gross Amounts Not offset, Collateral, Derivatives, Financial Liabilities	(8,580)	(9,330)
Net Amount, Derivatives, Financial Liabilities	300	1,971
Net Amount Recognized, Repurchase Agreements, Financial Liabilities	4,127,188	4,660,641
Gross Amounts Not Offset, Financial Instruments, Repurchase Agreements, Financial Liabilities	0	0
Gross Amounts Not Offset, Collateral, Repurchase Agreements, Financial Liabilities	(4,127,188)	(4,660,641)
Net Amount, Repurchase Agreements, Financial Liabilities	0	0
Net Amount Recognized, Financial Liabilities	4,168,499	4,734,470
Gross Amounts Not Offset, Collateral, Financial Liabilities	(4,135,768)	(4,669,971)
Net Amount, Financial Liabilities	300	1,971
Counterparty H
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Net Amount Recognized, Derivatives, Financial Assets	36,551	27,031
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Assets	(8,870)	(20,564)
Gross Amounts Not Offset, Collateral, Derivatives, Financial Assets	(27,170)	(6,467)
Net Amount, Derivatives, Financial Assets	511	0
Net Amount Recognized, Derivatives, Financial Liabilities	8,870	20,564
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Liabilities	(8,870)	(20,564)
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	31,202	17,297
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Assets	(7,444)	(17,297)
Gross Amounts Not Offset, Collateral, Derivatives, Financial Assets	(22,954)	0
Net Amount, Derivatives, Financial Assets	804	0
Net Amount Recognized, Derivatives, Financial Liabilities	7,444	27,747
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Liabilities	(7,444)	(17,297)
Gross Amounts Not offset, Collateral, Derivatives, Financial Liabilities	0	(8,479)
Net Amount, Derivatives, Financial Liabilities	0	1,971
Counterparty B
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Net Amount Recognized, Derivatives, Financial Assets	23,829	39,370
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Assets	(5,151)	(24,500)
Gross Amounts Not Offset, Collateral, Derivatives, Financial Assets	(18,472)	(14,870)
Net Amount, Derivatives, Financial Assets	206	0
Net Amount Recognized, Derivatives, Financial Liabilities	5,151	24,500
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Liabilities	(5,151)	(24,500)
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	13,271	14,430
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Assets	(4,548)	(47)
Gross Amounts Not Offset, Collateral, Derivatives, Financial Assets	(8,723)	(14,131)
Net Amount, Derivatives, Financial Assets	0	252
Net Amount Recognized, Derivatives, Financial Liabilities	4,548	47
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Liabilities	(4,548)	(47)
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	14,870	20,866
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Assets	(6,418)	(120)
Gross Amounts Not Offset, Collateral, Derivatives, Financial Assets	(7,520)	(20,500)
Net Amount, Derivatives, Financial Assets	932	246
Net Amount Recognized, Derivatives, Financial Liabilities	15,298	971
Gross Amounts Not Offset, Financial Instruments, Total Derivatives, Financial Liabilities	(6,418)	(120)
Gross Amounts Not offset, Collateral, Derivatives, Financial Liabilities	(8,580)	(851)
Net Amount, Derivatives, Financial Liabilities	$ 300	$ 0