Disclosures about Fair Value of Financial Instruments and Other Assets and Liabilities - Estimated Fair Values of Company's Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Financial assets
Cash and cash equivalents	$ 14,985	$ 25,253
Loans, net of allowance	439,317	407,640
Federal Home Loan Bank stock	4,012	4,243
Accrued interest receivable	2,697	1,798
Financial liabilities
Deposits	548,069	525,443
Short term borrowings	6,915	8,068
Federal Home Loan Bank Advances	39,800	106
Subordinated debentures	23,543	4,124
Interest payable	213	188
Fair Value, Inputs, Level 1
Financial assets
Cash and cash equivalents	14,985	25,253
Loans, net of allowance	0	0
Federal Home Loan Bank stock	0	0
Accrued interest receivable	0	0
Financial liabilities
Deposits	0	0
Short term borrowings	0	0
Federal Home Loan Bank Advances	0	0
Subordinated debentures	0	0
Interest payable	0	0
Fair Value, Inputs, Level 2
Financial assets
Cash and cash equivalents	0	0
Loans, net of allowance	0	0
Federal Home Loan Bank stock	4,012	4,243
Accrued interest receivable	2,697	1,798
Financial liabilities
Deposits	548,130	524,010
Short term borrowings	6,915	8,068
Federal Home Loan Bank Advances	39,800	101
Subordinated debentures	22,857	3,647
Interest payable	213	188
Fair Value, Inputs, Level 3
Financial assets
Cash and cash equivalents	0	0
Loans, net of allowance	437,688	405,033
Federal Home Loan Bank stock	0	0
Accrued interest receivable	0	0
Financial liabilities
Deposits	0	0
Short term borrowings	0	0
Federal Home Loan Bank Advances	0	0
Subordinated debentures	0	0
Interest payable	$ 0	$ 0

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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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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Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

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Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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Amount of interest payable on debt, including, but not limited to, trade payables.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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