Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Revenue	$ 764	$ 990
BOLI change in cash surrender value (1)
Disaggregation of Revenue [Line Items]
Revenue	269	254
Wealth management revenue
Disaggregation of Revenue [Line Items]
Revenue	160	165
Deposit related fees
Disaggregation of Revenue [Line Items]
Revenue	66	68
Debit card and ATM fees
Disaggregation of Revenue [Line Items]
Revenue	134	108
Loan related fees
Disaggregation of Revenue [Line Items]
Revenue	132	392
Other
Disaggregation of Revenue [Line Items]
Revenue	$ 3	$ 3

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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+ Details