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Disclosures about Fair Value Measurements and Financial Instruments - Schedule of assets and liability measured and recorded on the Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Disclosures about Fair Value Measurements and Financial Instruments
Equity securities	$ 516	$ 443
Available for sale, at fair value	160,353	144,165
Interest rate swap asset	1,574	3,320
Interest rate swap liability	(1,574)	(3,320)
Risk participation agreement	(8)
U.S. Agency
Disclosures about Fair Value Measurements and Financial Instruments
Available for sale, at fair value	7,635	3,152
U.S. Agency mortgage-backed securities
Disclosures about Fair Value Measurements and Financial Instruments
Available for sale, at fair value	78,760	67,913
Municipal
Disclosures about Fair Value Measurements and Financial Instruments
Available for sale, at fair value	20,302	20,348
Corporate bonds
Disclosures about Fair Value Measurements and Financial Instruments
Available for sale, at fair value	53,656	52,752
Level 1
Disclosures about Fair Value Measurements and Financial Instruments
Equity securities	516	443
Level 2
Disclosures about Fair Value Measurements and Financial Instruments
Interest rate swap asset	1,574	3,320
Interest rate swap liability	(1,574)	(3,320)
Risk participation agreement	(8)
Level 2 | U.S. Agency
Disclosures about Fair Value Measurements and Financial Instruments
Available for sale, at fair value	7,635	3,152
Level 2 | U.S. Agency mortgage-backed securities
Disclosures about Fair Value Measurements and Financial Instruments
Available for sale, at fair value	78,760	67,913
Level 2 | Municipal
Disclosures about Fair Value Measurements and Financial Instruments
Available for sale, at fair value	20,302	20,348
Level 2 | Corporate bonds
Disclosures about Fair Value Measurements and Financial Instruments
Available for sale, at fair value	$ 53,656	$ 52,752

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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