Securities (Narrative) (Details)	3 Months Ended	12 Months Ended
Mar. 31, 2020 USD ($) security	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($) security
Proceeds from: Sales of securities available for sale \| $	$ 15,704,000	$ 11,107,000
Securities in unrealized loss position	2		38
Equity securities \| $	$ 971,000		$ 1,144,000
Unrealized gain (loss) on equity securities \| $	$ (172,000)	$ 9,000
Number of Securities, Less Than 12 Months	2		22
Number of Securities, 12 Months or More			16
Number of securities	2		38
Equity Securities [Member]
Equity securities \| $	$ 971,000		$ 1,144,000
Obligations of U.S. Government Agencies and Corporations [Member]
Securities in unrealized loss position			9
Number of Securities, Less Than 12 Months			9
Number of securities			9
U.S. Government Sponsored Agencies [Member]
Investment portfolio percentage	5.00%
Carrying value of pledged assets \| $	$ 55,511,000		$ 50,365,000
Mortgage-Backed Securities [Member]
Investment portfolio percentage	91.00%
Securities in unrealized loss position	2		29
Other than temporary impairment \| $	$ 0		$ 0
Number of Securities, Less Than 12 Months	2		13
Number of Securities, 12 Months or More			16
Number of securities	2		29
Corporate Debt Securities [Member]
Investment portfolio percentage	1.00%
Municipal Bonds [Member]
Investment portfolio percentage	3.00%
Debt instrument term	5 years

Investment portfolio percentage.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without an allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 50
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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without an allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

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Amount of restricted investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of other-than-temporary impairment (OTTI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized in earnings.

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Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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