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Investment Securities (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Investment Securities Available for Sale
Amortized cost	$ 398,606
Estimated fair value	402,905	$ 245,249
Total [Member]
Investment Securities Available for Sale
Amortized cost	398,606	238,236
Gross unrealized gains	7,082	7,901
Gross unrealized losses	2,783	888
Estimated fair value	402,905	245,249
U.S. Government Sponsored Enterprises [Member]
Investment Securities Available for Sale
Amortized cost	14,566	7,384
Gross unrealized gains	289	331
Gross unrealized losses	178	208
Estimated fair value	14,677	7,507
Mortgage-Backed Securities [Member]
Investment Securities Available for Sale
Amortized cost	222,526	143,095
Gross unrealized gains	2,427	2,812
Gross unrealized losses	1,648	593
Estimated fair value	223,305	145,314
State and Political Subdivisions [Member]
Investment Securities Available for Sale
Amortized cost	153,551	87,757
Gross unrealized gains	4,327	4,758
Gross unrealized losses	945	87
Estimated fair value	156,933	$ 92,428
U S Treasuries [Member]
Investment Securities Available for Sale
Amortized cost	7,963
Gross unrealized gains	39
Gross unrealized losses	12
Estimated fair value	$ 7,990

X

- Definition

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

+ References

No definition available.

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- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

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- Definition

Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563

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- Definition

Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563

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