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Guarantees, Commitments and Contingencies - Summary of Commitment and Contingent Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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Standby Letters of Credit [Member] |  |
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items] |  |
Commitments and contingent liabilities | $ 180 | $ 180
Standby Performance Letters of Credit [Member] |  |
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items] |  |
Commitments and contingent liabilities | 647 | 704
Commitments to Extend Credit [Member] |  |
Fair Value Off Balance Sheet Risks Disclosure Information [Line Items] |  |
Commitments and contingent liabilities | $ 96,967 | $ 85,972

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- 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=118260190&loc=d3e13433-108611 + Details
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