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Commitments - Summary of Financial Instrument Commitments (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Fixed Letters of Credit [Member]
Financial instrument commitments
Financial instrument commitments	$ 685	$ 910
Fixed Letters of Credit [Member] | Commitments to Extend Credit to Borrowers [Member]
Financial instrument commitments
Financial instrument commitments	685	910
Fixed Letters of Credit [Member] | Commitments to Extend Credit to Borrowers [Member] | Financial Standby Letter of Credit [Member]
Financial instrument commitments
Financial instrument commitments	329	339
Fixed Letters of Credit [Member] | Commitments to Extend Credit to Borrowers [Member] | Performance Guarantee [Member]
Financial instrument commitments
Financial instrument commitments	356	571
Fixed Letters of Credit [Member] | Unused lines of Credit [Member]
Financial instrument commitments
Loan commitments	88,883	111,348
Variable Letters of Credit [Member]
Financial instrument commitments
Financial instrument commitments	13,635	15,891
Variable Letters of Credit [Member] | Commitments to Extend Credit to Borrowers [Member]
Financial instrument commitments
Financial instrument commitments	13,568	15,824
Variable Letters of Credit [Member] | Commitments to Extend Credit to Borrowers [Member] | Financial Standby Letter of Credit [Member]
Financial instrument commitments
Financial instrument commitments	9,051	9,612
Variable Letters of Credit [Member] | Commitments to Extend Credit to Borrowers [Member] | Performance Guarantee [Member]
Financial instrument commitments
Financial instrument commitments	4,517	6,212
Variable Letters of Credit [Member] | Commitments to Extend Credit Nonborrowers [Member] | Performance Guarantee [Member]
Financial instrument commitments
Financial instrument commitments	67	67
Variable Letters of Credit [Member] | Unused lines of Credit [Member]
Financial instrument commitments
Loan commitments	316,298	320,120
Letter of Credit [Member]
Financial instrument commitments
Financial instrument commitments	14,320	16,801
Letter of Credit [Member] | Commitments to Extend Credit to Borrowers [Member]
Financial instrument commitments
Financial instrument commitments	14,253	16,734
Letter of Credit [Member] | Commitments to Extend Credit to Borrowers [Member] | Financial Standby Letter of Credit [Member]
Financial instrument commitments
Financial instrument commitments	9,380	9,951
Letter of Credit [Member] | Commitments to Extend Credit to Borrowers [Member] | Performance Guarantee [Member]
Financial instrument commitments
Financial instrument commitments	4,873	6,783
Letter of Credit [Member] | Commitments to Extend Credit Nonborrowers [Member] | Performance Guarantee [Member]
Financial instrument commitments
Financial instrument commitments	67	67
Letter of Credit [Member] | Unused lines of Credit [Member]
Financial instrument commitments
Loan commitments	$ 405,181	$ 431,468

X

- Definition

The fair value of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611

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X

- Definition

The face amount of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

+ References

No definition available.

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- Definition

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+ References

No definition available.

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