Borrowings (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Borrowings and FHLB Advances [Abstract]
Available federal funds lines	$ 55,000	$ 45,000
Available credit with FHLB	245,900	217,000
Federal Funds Purchased and Securities Sold under Agreements to Repurchase [Abstract]
Federal funds purchased	0	10,000
Overnight repurchase agreements	25,775	20,693
Federal Home Loan Bank advances	13,000	47,500
Total short-term borrowings	38,775	78,193
Maximum month-end outstanding balance	99,898	79,819
Average outstanding balance during the period	$ 62,877	$ 53,165
Average interest rate during the period	1.11%	0.72%
Average interest rate at end of period	0.93%	1.27%
Long-Term Borrowings [Abstract]
FHLB advances outstanding	$ 47,000	$ 20,000
Maximum [Member]
Borrowings and FHLB Advances [Abstract]
Overnight repurchase agreements maturity period	4 days
Minimum [Member]
Borrowings and FHLB Advances [Abstract]
Overnight repurchase agreements maturity period	1 day
1.54% Fixed Rate Hybrid [Member]
Long-Term Borrowings [Abstract]
FHLB Interest Rate	1.54%	1.54%
FHLB advance maturity date	Feb. 28, 2019	Feb. 28, 2019
FHLB advances outstanding	$ 10,000	$ 10,000
1.90% Fixed Rate Hybrid [Member]
Long-Term Borrowings [Abstract]
FHLB Interest Rate	1.90%	1.90%
FHLB advance maturity date	Nov. 15, 2019	Nov. 15, 2019
FHLB advances outstanding	$ 10,000	$ 10,000
2.92% Fixed Rate Hybrid [Member]
Long-Term Borrowings [Abstract]
FHLB Interest Rate	2.92%
FHLB advance maturity date	Apr. 17, 2020
FHLB advances outstanding	$ 10,000
2.77% Fixed Rate Hybrid [Member]
Long-Term Borrowings [Abstract]
FHLB Interest Rate	2.77%
FHLB advance maturity date	Jun. 19, 2020
FHLB advances outstanding	$ 10,000
2.79% Fixed Rate Hybrid [Member]
Long-Term Borrowings [Abstract]
FHLB Interest Rate	2.79%
FHLB advance maturity date	Aug. 28, 2020
FHLB advances outstanding	$ 3,500
2.89% Fixed Rate Hybrid [Member]
Long-Term Borrowings [Abstract]
FHLB Interest Rate	2.89%
FHLB advance maturity date	Aug. 27, 2021
FHLB advances outstanding	$ 3,500
Citizens Acquisition Funding [Member]
Long-Term Borrowings [Abstract]
Loan maturity date	Apr. 01, 2023
Loans outstanding	$ 2,600
Interest rate	4.85%

Federal funds lines available balance.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. reported by Federal Home Loan Bank (FHLBank).

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Overnight repurchase agreements maturity term in days.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Amount of short term borrowing where a bank borrows, at the federal funds rate, from another bank.

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Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB).

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Interest rate of advances made and reported by Federal Home Loan Bank (FHLBank).

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Amount of Federal Home Loan Bank (FHLB) advances which have fixed interest.

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Amount of advances from Federal Home Loan Bank (FHLBank) maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Weighted average interest rate of short-term debt outstanding calculated at point in time.

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Weighted average interest rate of short-term debt outstanding calculated over time.

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For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, average borrowings during the period.

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For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, maximum month-end borrowings during the period.

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