Derivative Financial Instruments - Effect of Master Netting Arrangements on Derivative Assets and Liabilities in the Consolidated Statements of Condition (Details) - Interest Rate Swap [Member] - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Interest Rate Swaps, Gross Amount of Recognized Assets	$ 75,166	$ 69,013
Interest Rate Swaps, Gross Amount Offset in the Statement of Financial Condition	0	0
Interest Rate Swaps, Net Amount of Assets Presented in the Statement of Financial Condition	75,166	69,013
Interest Rate Swaps, Cash Collateral	(68,285)	(48,505)
Interest Rate Swaps, Net Amount	6,881	20,508
Interest Rate Swaps, Gross Amount of Recognized Liabilities	20,235	28,401
Interest Rate Swaps, Gross Amount Offset in the Statement of Financial Condition	0	0
Interest Rate Swaps, Net Amount of Liabilities Presented in the Statement of Financial Condition	20,235	28,401
Interest Rate Swaps, Net Amount	$ 20,235	$ 28,401