Debt Securities Held to Maturity - Expected Maturities of Held-to-Maturity Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Amortized Cost
More than one year to five years	$ 24,875
More than five years to ten years	9,997
More than ten years	10,000
Held-to-maturity debt securities, allocated and single maturity date, total	44,872
Mortgage-backed securities and collateralized mortgage obligations	356,459
Amortized Cost	401,331	$ 401,154
Fair Value
More than one year to five years	23,438
More than five years to ten years	8,975
More than ten years	8,080
Held-to-maturity debt securities, allocated and single maturity date, total	40,493
Mortgage-backed securities and collateralized mortgage obligations	327,066
Debt securities held to maturity	$ 367,559	$ 357,177

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