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Summary of Significant Accounting Policies - Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Unrealized gain (loss) on available-for-sale securities | $ (61,074) | $ (69,641)
Unrealized gain (loss) on held to maturity securities | (2,478) | (2,720)
Unrealized gain (loss) on derivative instruments designated as cash flow hedges | 15,730 | 7,072
Tax effect | 10,043 | 13,711
Accumulated other comprehensive income (loss) | $ (37,779) | $ (51,578)

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