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Investment Securities - Amortized Cost and Fair Value of Investment Securities Pledged as Collateral (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Amortized Cost	$ 717,859	$ 723,877
Fair Value	650,858	641,683
State and local governments public deposits
Amortized Cost	233,028	236,047
Fair Value	221,087	220,104
FRB
Amortized Cost	431,657	434,534
Fair Value	380,856	373,410
Other securities pledged
Amortized Cost	53,174	53,296
Fair Value	$ 48,915	$ 48,169

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