Borrowings (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2020	Dec. 31, 2019
Borrowings and FHLB Advances [Abstract]
Available federal funds lines	$ 55,000	$ 55,000
Available credit with FHLB	272,400	276,300
Short-Term Borrowings [Abstract]
Overnight repurchase agreements	4,817	11,452
Federal Home Loan Bank advances	0	0
Total short-term borrowings	4,817	11,452
Maximum month-end outstanding balance	7,090	38,138
Average outstanding balance during the period	$ 6,427	$ 27,382
Average interest rate (year-to-date)	0.00%	0.71%
Average interest rate at end of period	0.09%	0.10%
FHLB advances outstanding	$ 42,000	$ 37,000
Minimum [Member]
Borrowings and FHLB Advances [Abstract]
Overnight repurchase agreements maturity period	1 day
Short-Term Borrowings [Abstract]
FHLB interest rate	0.88%
Maximum [Member]
Borrowings and FHLB Advances [Abstract]
Overnight repurchase agreements maturity period	4 days
Short-Term Borrowings [Abstract]
FHLB interest rate	2.89%
Advance One [Member]
Short-Term Borrowings [Abstract]
FHLB advance maturity date	Aug. 29, 2020
Advance Two [Member]
Short-Term Borrowings [Abstract]
FHLB advance maturity date	Mar. 05, 2025
Citizens Acquisition [Member]
Short-Term Borrowings [Abstract]
Loan maturity date	Apr. 01, 2023
Loans outstanding	$ 1,800	$ 2,000
Interest rate	4.02%

Federal funds lines available balance.

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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 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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