Deposits (Deposits outstanding by type) (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Deposits, by Type [Abstract]
Checking Accounts	$ 260,135,924	$ 219,515,207
Money Market Accounts	230,693,518	261,136,008
Savings Accounts	51,124,806	48,391,799
Total	541,954,248	529,043,014
Certificate Accounts	229,453,234	238,453,693
Total Deposits	$ 771,407,482	$ 767,496,707
Weighted Average Rate Domestic Deposit Liabilities [Abstract]
Checking Accounts, Weighted Rate	0.11%	0.09%
Money Market Accounts, Weighted Rate	0.72%	0.65%
Statement Savings Accounts, Weighted Rate	0.16%	0.14%
Total, Weighted Rate	0.36%	0.31%
Certificate Accounts, Weighted Rate	1.71%	1.37%
Total Deposit, Weighted Rate	0.76%	0.64%
Interest Rate Range Domestic Deposit Liabilities [Abstract]
Interest-bearing Domestic Deposit, Brokered	$ 34,600,000	$ 33,100,000
Weighted Average Rate Domestic Deposit, Brokered	1.87%	1.86%
Interest Bearing Domestic Deposit Maturities, Brokered, Next Twelve Months	$ 2,000,000
Time Deposits, $100,000 or More	144,200,000	$ 151,500,000
Overdrafts reclassified to loans	$ 141,000
Minimum
Interest Rate Range Domestic Deposit Liabilities [Abstract]
Interest Rate Domestic Deposit, Checking	0.00%	0.00%
Interest Rate Domestic Deposit, Money Market	0.00%	0.10%
Interest Rate Domestic Deposit, Savings	0.00%	0.00%
Interest Rate Domestic Deposit, Excluding Time Deposits	0.00%	0.00%
Interest Rate Domestic Deposit, Time Deposits	0.05%	0.04%
Interest Rate Domestic Deposit	0.00%	0.00%
Maximum
Interest Rate Range Domestic Deposit Liabilities [Abstract]
Interest Rate Domestic Deposit, Checking	0.20%	0.20%
Interest Rate Domestic Deposit, Money Market	0.50%	0.17%
Interest Rate Domestic Deposit, Savings	0.10%	0.10%
Interest Rate Domestic Deposit, Excluding Time Deposits	0.50%	0.20%
Interest Rate Domestic Deposit, Time Deposits	2.00%	2.52%
Interest Rate Domestic Deposit	2.00%	2.52%
1.00 – 1.99%
Deposits, by Type [Abstract]
Certificate Accounts	$ 122,164,536	$ 120,011,938
1.00 – 1.99% \| Minimum
Interest Rate Range Domestic Deposit Liabilities [Abstract]
Interest Rate Domestic Deposit, Time Deposits	0.00%
1.00 – 1.99% \| Maximum
Interest Rate Range Domestic Deposit Liabilities [Abstract]
Interest Rate Domestic Deposit, Time Deposits	0.99%
2.00 – 2.99%
Deposits, by Type [Abstract]
Certificate Accounts	$ 78,689,591	47,586,859
2.00 – 2.99% \| Minimum
Interest Rate Range Domestic Deposit Liabilities [Abstract]
Interest Rate Domestic Deposit, Time Deposits	2.00%
2.00 – 2.99% \| Maximum
Interest Rate Range Domestic Deposit Liabilities [Abstract]
Interest Rate Domestic Deposit, Time Deposits	2.99%
3.00 – 3.99% \| Minimum
Interest Rate Range Domestic Deposit Liabilities [Abstract]
Interest Rate Domestic Deposit, Time Deposits	3.00%
3.00 – 3.99% \| Maximum
Interest Rate Range Domestic Deposit Liabilities [Abstract]
Interest Rate Domestic Deposit, Time Deposits	3.99%
0.00% - 0.99% [Member]
Deposits, by Type [Abstract]
Certificate Accounts	$ 28,599,107
Interest Rate range 4 [Member]
Deposits, by Type [Abstract]
Certificate Accounts		$ 70,854,896

Deposits, Excluding Time Deposits

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Interest Bearing Domestic Deposit Maturities, Brokered, Next Twelve Months

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Interest Rate Domestic Deposit

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Interest Rate Domestic Deposit, Checking

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Interest Rate Domestic Deposit, Excluding Time Deposits

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Interest Rate Domestic Deposit, Money Market

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Interest Rate Domestic Deposit, Savings

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Interest Rate Domestic Deposit, Time Deposits

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Interest Rate Range Domestic Deposit Liabilities [Abstract]

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Weighted Average Rate Domestic Deposit, Excluding Time Deposits

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- Definition

The amount of money in accounts that may bear interest and that the depositor is entitled to withdraw at any time without prior notice.

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Amount of deposits held by the entity that have been reclassified as loan balances receivable, for example, but not limited to, overdrafts receivable.

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The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

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Amount of deposits in accounts that offer many of the same services as checking accounts although transactions may be somewhat more limited, share some of the characteristics of a money market fund and are insured by the Federal government, also known as money market accounts.

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Amount of interest bearing deposits with no stated maturity, which may include passbook and statement savings accounts and money-market deposit accounts (MMDAs).

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Amount of interest-bearing domestic third-party deposits placed by or through the assistance of a deposit broker, also known as brokered deposit liabilities.

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Amount of time deposit liabilities, including certificates of deposit.

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Amount of time deposit liabilities, including certificates of deposit, in denominations of $100,000 or more.

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-Publisher SEC
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Weighted average interest rate calculated at point in time for domestic deposit liability.

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The weighted average interest rate for domestic brokered deposit liabilities.

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The weighted average interest rate for domestic certificates of deposit liabilities.

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The weighted average interest rate for domestic checking deposit liabilities.

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The weighted average interest rate for domestic money market demand account deposit liabilities.

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The weighted average interest rate for domestic savings deposit liabilities.

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