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INVESTMENT SECURITIES - Amortized Cost and Estimated Fair Value of Available-for-Sale Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Available-for-sale: Amortized Cost
Due in one year or less	$ 7,127	$ 4,994
Due after one through five years	17,483	18,892
Due after five years through ten years	100,031	95,071
Due after ten years	45,438	51,280
Total	170,079	170,237
Available-for-sale: Fair Value
Due in one year or less	7,094	4,960
Due after one through five years	16,111	17,925
Due after five years through ten years	83,665	85,482
Due after ten years	38,975	45,637
Total	$ 145,845	$ 154,004

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- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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