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Securities Available-for-Sale (Details) - Investments classified by maturity date - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Securities Available-for-Sale:
Due in one year or less, amortized cost	$ 5,898
Due in one year or less, fair value	5,929
Due after one year through five years, amortized cost	16,369
Due after one year through five years, fair value	16,625
Due after five years through ten years, amortized cost	14,172
Due after five years through ten years, fair value	14,527
Due after ten years, amortized cost	152,831
Due after ten years, fair value	155,897
Total, amortized cost	436,834	$ 477,326
Total, fair value	442,023	487,955
Residential mortgage pass-through securities [Member]
Securities Available-for-Sale:
Total, amortized cost	238,406	266,114
Total, fair value	240,354	270,884
Commercial mortgage pass-through securities [Member]
Securities Available-for-Sale:
Total, amortized cost	6,881	6,906
Total, fair value	6,414	6,922
Other securities [Member]
Securities Available-for-Sale:
Total, amortized cost	2,277	157
Total, fair value	$ 2,277	$ 157

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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