Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Assets
Securities, available for sale	$ 179,291	$ 296,977
Held to maturity, estimated fair value	90,061	104,840
Accrued interest receivable	7,238	6,716
Carrying Value
Assets
Cash and cash equivalents	178,968	127,965
Securities, available for sale	179,291	296,977
Held to maturity, estimated fair value	89,976	108,326
Federal Home Loan Bank stock	2,437	2,393
Loans held for sale	0	344
Loans, net	1,280,681	1,214,492
Accrued interest receivable	7,238	6,716
Liabilities
Deposits	1,600,411	1,629,622
Borrowings	17,638	19,838
Junior subordinated debentures	14,728	14,700
Accrued interest payable	5,293	3,952
Estimated Fair Value
Assets
Cash and cash equivalents	178,968	127,965
Securities, available for sale	179,291	296,977
Held to maturity, estimated fair value	90,061	104,840
Federal Home Loan Bank stock	2,437	2,393
Loans held for sale	0	379
Loans, net	1,279,878	1,193,886
Accrued interest receivable	7,238	6,716
Liabilities
Deposits	1,607,678	1,625,827
Borrowings	17,647	19,853
Junior subordinated debentures	14,853	14,537
Accrued interest payable	$ 5,293	$ 3,952

Fair value portion of accrued expenses.

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Amount 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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Fair value portion 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.

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

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Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt.

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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Fair value portion of investments in Federal Home Loan Bank (FHLBank) stock.

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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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