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Investment Securities - Schedule of Maturities of the Debt Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Amortized Cost |  |
Within 1 year | $ 145,787 | $ 103,337
After 1 year through 5 years | 472,284 | 449,289
After 5 years through 10 years | 246,784 | 207,980
Over 10 years | 851,363 | 203,783
Amortized Cost | 1,716,218 | 964,389
Estimated Fair Value |  |
Within 1 year | 146,092 | 102,457
After 1 year through 5 years | 454,138 | 434,608
After 5 years through 10 years | 242,931 | 180,370
Over 10 years | 845,607 | 177,599
Total | $ 1,688,768 | $ 895,034
Weighted Average Rate |  |
Within 1 year | 3.89% | 3.22%
After 1 year through 5 years | 2.76% | 3.32%
After 5 years through 10 years | 3.56% | 1.77%
Over 10 years | 4.18% | 3.13%
Total | 3.69% | 2.96%

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