Derivative Financial Instruments - Schedule of Offsetting Assets / Offsetting Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023	Sep. 30, 2023
Derivative Assets
Gross Amounts Recognized	$ 255,662	$ 275,726	$ 323,705
Derivative Liabilities
Gross Amounts Recognized	199,339	267,255	458,706
Interest rate contract
Derivative Assets
Gross Amounts Recognized	246,927	263,955	312,253
Less: Amounts offset in the Statements of Condition	0	0	0
Net amount presented in the Statements of Condition	246,927	263,955	312,253
Offsetting Derivative Positions	(82,819)	(76,514)	(157,673)
Collateral Posted	(59,791)	(144,899)	(140,857)
Net Credit Exposure	104,317	42,542	13,723
Derivative Liabilities
Gross Amounts Recognized	195,033	255,126	453,271
Less: Amounts offset in the Statements of Condition	0	0	0
Net amount presented in the Statements of Condition	195,033	255,126	453,271
Offsetting Derivative Positions	(82,819)	(76,514)	(157,673)
Collateral Posted	(420)	0	(3,785)
Net Credit Exposure	$ 111,794	$ 178,612	$ 291,813