Investment Securities Available-for-Sale and Held to Maturity - Schedule of Amortized Cost and Fair Value of Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Securities Available-for-sale Amortized cost
Due from one year to five years	$ 34,368
Due from five to ten years	99,699
Over ten years	18,744
Debt securities, available-for-sale, maturity, amortized Cost	152,811
Mortgage-backed securities and collateralized mortgage obligations	219,173
Amortized Cost	371,984	$ 386,097
Securities Available-for-sale, Estimated Fair Value
Due from one year to five years	35,352
Due from five to ten years	100,282
Over ten years	18,845
Debt securities, available-for-sale, maturity, estimated fair value	154,479
Mortgage-backed securities and collateralized mortgage obligations	222,240
Estimated Fair Value	376,719	$ 384,025
Securities Held-to-Maturity, Carrying Value
Due from one year to five years	206,037
Debt securities, held-to-maturity, maturity, carrying value	206,037
Carrying Value	206,037
Securities Held-to-Maturity, Estimated Fair Value
Due from one year to five years	206,037
Debt securities, held-to-maturity, maturity, estimated fair value	206,037
Estimated Fair Value	$ 206,037