Commitments and Credit Risk (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Commitments and Credit Risk [Line Items]
Loans and Leases Receivable, Commitments, Variable Rates	$ 38,700,000	$ 21,300,000
Standby lines of credit
Commitments and Credit Risk [Line Items]
Outstanding standby letters of credit	$ 46,000	$ 46,000
Minimum
Commitments and Credit Risk [Line Items]
Time to fund mortgage loan	60 days
Maximum
Commitments and Credit Risk [Line Items]
Time to fund mortgage loan	90 days
Installment
Commitments and Credit Risk [Line Items]
Concentration risk percentage credit risk loan products	2.20%	3.40%
Real Estate Loans
Commitments and Credit Risk [Line Items]
Concentration risk percentage credit risk loan products	17.50%	19.20%
Commercial Line
Commitments and Credit Risk [Line Items]
Lines Of credit granted	$ 40,500,000	$ 34,100,000
Consumer Lines
Commitments and Credit Risk [Line Items]
Lines Of credit granted	$ 38,600,000	$ 38,000,000
Commercial Real Estate Other Receivable
Commitments and Credit Risk [Line Items]
Concentration risk percentage credit risk loan products	80.30%	77.40%

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant