Derivative Financial Instruments - Schedule of Offsetting Assets / Offsetting Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Derivative Assets
Derivative Assets	$ 259,264	$ 275,726	$ 274,004
Derivative Liabilities
Gross Amounts Recognized	324,364	267,255	274,432
Interest rate contract
Derivative Assets
Derivative Assets	248,933	263,955	259,331
Less: Amounts offset in the Statements of Condition	0	0	0
Net amount presented in the Statements of Condition	248,933	263,955	259,331
Offsetting Derivative Positions	(109,977)	(76,514)	(55,838)
Collateral Posted	(119,572)	(144,899)	(181,884)
Net Credit Exposure	19,384	42,542	21,609
Derivative Liabilities
Gross Amounts Recognized	318,163	255,126	262,465
Less: Amounts offset in the Statements of Condition	0	0	0
Net amount presented in the Statements of Condition	318,163	255,126	262,465
Offsetting Derivative Positions	(109,977)	(76,514)	(55,838)
Collateral Posted	0	0	0
Net Credit Exposure	$ 208,186	$ 178,612	$ 206,627