Borrowings - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Short Term Debt [Line Items]
Short-term Debt, Total	$ 10,017	$ 10,025
Federal Funds Purchased	0	0
Available Fund Lines From Correspondent Banks	51,400	61,700
Securities Sold under Agreements to Repurchase, Total	17	25
Federal Home Loan Bank, Advances, Maturities Summary, Due in Next Twelve Months, Total	10,000	10,000
Long-term Federal Home Loan Bank advances	0	0
Other long-term borrowings outstanding	0	0
Federal Home Loan Bank, advances, general debt obligations, disclosures, collateral pledged	36,100	34,600
Federal Home Loan Bank, advances, general debt obligations, amount of available, unused funds	$ 225,800	$ 211,500
Minimum [Member]
Short Term Debt [Line Items]
Maturity Period of Federal Funds	1 day
Maximum [Member]
Short Term Debt [Line Items]
Maturity Period of Federal Funds	4 days

Available fund lines from correspondent banks.

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Maturity period of federal funds.

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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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Amount of the collateral pledged in support of federal home loan bank advances outstanding.

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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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Amount of advance from Federal Home Loan Bank (FHLBank) maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt classified as other.

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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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