Securities - Available-for-Sale and Held-to-Maturity by Contractual Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Securities held-to-maturity, Amortized Cost, Due after ten years	$ 44,002
Securities, held-to-maturity, Amortized Cost, With single maturity date	44,002
Securities, held-to-maturity, Amortized Cost	51,838	$ 74,010
Securities held-to-maturity, Fair Value, Due after ten years	37,815
Securities held-to-maturity, Fair Value, With single maturity date	37,815
Debt Securities, Held-to-maturity, Fair Value, Total	44,718	65,755
Securities available-for-sale, Amortized Cost, Due after one years through five years	57,065
Securities available-for-sale, Amortized Cost, Due after five years through ten years	198,589
Securities available-for-sale, Amortized Cost, Due after ten years	326,384
Securities available-for-sale, Amortized Cost, With single maturity date	582,038
Total Securities available for sale, Amortized Cost	1,506,798
Securities available for sale, Fair Value, Due after one years through five years	54,747
Securities available for sale, Fair Value, Due after five years through ten years	195,649
Securities available for sale, Fair Value, Due after ten years	323,983
Securities available-for-sale, Fair Value, With single maturity date	574,379
Total securities available for sale, Fair Value	1,497,905	874,753
Designated as Hedging Instrument [Member] \| Portfolio Layer Hedges on Closed Portfolio of Securities Available for Sale [Member]
Total securities available for sale, Fair Value		283,200
Total Other Securities [Member]
Total Securities available for sale, Amortized Cost	593,928
Total securities available for sale, Fair Value	586,269	520,409
Collateralized Mortgage Backed Securities
Securities held-to-maturity, Amortized Cost, Without single maturity	7,836
Securities held-to-maturity, Fair Value, Without single maturity date	6,903
Securities, available-for-sale, Amortized Cost, Without single maturity date	912,870
Total Securities available for sale, Amortized Cost	912,870
Securities available-for-sale, Fair Value, Without single maturity date	911,636
Total securities available for sale, Fair Value	911,636	354,344
Mutual Fund Debt Securities [Member]
Securities, available-for-sale, Amortized Cost, Without single maturity date	11,890
Total Securities available for sale, Amortized Cost	11,890
Securities available-for-sale, Fair Value, Without single maturity date	11,890
Total securities available for sale, Fair Value	$ 11,890	$ 11,660

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