Disclosures about Fair Value Measurements and Financial Instruments - Schedule of assets measured and recorded at fair value on a non-recurring basis (Details) - USD ($)	6 Months Ended	12 Months Ended
Jun. 30, 2021	Dec. 31, 2020
Disclosures about Fair Value Measurements and Financial Instruments
Impaired loan with carrying value	$ 7,000	$ 266,000
Specific valuation allowance	7,000	8,000
Impaired loans	$ 0	258,000
Fair Value Measurements, Nonrecurring Basis
Disclosures about Fair Value Measurements and Financial Instruments
Impaired loans		$ 258,000
Fair Value Measurements, Nonrecurring Basis \| Impaired loans
Disclosures about Fair Value Measurements and Financial Instruments
Valuation Techniques	Appraisal of collateral	Appraisal of collateral
Fair Value Measurements, Nonrecurring Basis \| Minimum \| Impaired loans
Disclosures about Fair Value Measurements and Financial Instruments
Appraisal adjustments	100.00%	0.00%
Fair Value Measurements, Nonrecurring Basis \| Maximum \| Impaired loans
Disclosures about Fair Value Measurements and Financial Instruments
Appraisal adjustments	100.00%	100.00%
Fair Value Measurements, Nonrecurring Basis \| Wgtd Ave \| Impaired loans
Disclosures about Fair Value Measurements and Financial Instruments
Appraisal adjustments		3.00%
Fair Value Measurements, Nonrecurring Basis \| Level 3 \| Impaired loans
Disclosures about Fair Value Measurements and Financial Instruments
Impaired loans		$ 258,000

Fair value appraisal of adjustments.

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- Definition

Amount of impaired loan with carrying value.

+ References

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+ References

No definition available.

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- Definition

Description of the valuation processes in place for fair value measurements categorized within Level 3 of the fair value hierarchy.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)
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Amount of allowance for credit losses related to recorded investment.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5212-111524

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- Definition

Fair value portion of receivables, including, but not limited to, trade account receivables, note receivables, and loan receivables.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-Name Accounting Standards Codification
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-Topic 944
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