Fair Value Measurements, Quantitative Information (Details) - Appraised Collateral Values [Member] $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Impaired Loans [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Impaired Loans	$ 490	$ 459
Impaired Loans [Member] \| Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Holding period	0 months	6 months
Impaired Loans [Member] \| Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Holding period	12 months	12 months
Impaired Loans [Member] \| Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Holding period	11 months 12 days	11 months 15 days
Impaired Loans [Member] \| Discount for Time Since Appraisal [Member] \| Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Impaired loans, Measurement input	0	0
Impaired Loans [Member] \| Discount for Time Since Appraisal [Member] \| Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Impaired loans, Measurement input	1	1
Impaired Loans [Member] \| Discount for Time Since Appraisal [Member] \| Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Impaired loans, Measurement input	0.1584	0.2338
Impaired Loans [Member] \| Selling Costs [Member] \| Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Impaired loans, Measurement input	0.05	0.08
Impaired Loans [Member] \| Selling Costs [Member] \| Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Impaired loans, Measurement input	0.10	0.10
Impaired Loans [Member] \| Selling Costs [Member] \| Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Impaired loans, Measurement input	0.0673	0.0827
Other Real Estate Owned [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Impaired Loans	$ 743	$ 552
Other Real Estate Owned [Member] \| Discount for Time Since Appraisal [Member] \| Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Other real estate owned, Measurement input	0.19	0.20
Other Real Estate Owned [Member] \| Discount for Time Since Appraisal [Member] \| Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Other real estate owned, Measurement input	0.44	0.44
Other Real Estate Owned [Member] \| Discount for Time Since Appraisal [Member] \| Weighted Average [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Other real estate owned, Measurement input	0.3556	0.4176

Holding period, used as an input to measure fair value, measured in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

No definition available.

+ Details

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- Definition

Value of input used to measure investment in impaired loans at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

No definition available.

+ Details

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ 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 (a)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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- References

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- Definition

Value of input used to measure real estate owned by financial institution by financial institution which is not directly related to its business.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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