Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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

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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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No definition available.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

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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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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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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Borrowings - Narrative (Details) - USD ($)			12 Months Ended
Borrowings - Narrative (Details) - USD ($)	Apr. 20, 2020	May 01, 2019	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Lendable collateral value of loans pledged			$ 88,200,000	$ 111,600,000
Remaining credit availability			416,100,000	321,400,000
Available federal funds lines of credit			41,500,000	55,000,000.0
Federal funds lines of credit outstanding			0	0
Outstanding balance on loans			$ 106,789,000	0
Paycheck Protection Program, CARES Act
Debt Instrument [Line Items]
Interest rate	0.35%		0.35%
Advance used to fund PPP loans	$ 140,700,000
Outstanding balance on loans			$ 106,789,000
Paycheck Protection Program, CARES Act \| Minimum
Debt Instrument [Line Items]
Debt instrument term	2 years
Paycheck Protection Program, CARES Act \| Maximum
Debt Instrument [Line Items]
Debt instrument term	5 years
Paycheck Protection Program, CARES Act \| Weighted Average
Debt Instrument [Line Items]
Debt instrument term			2 years
Revolving Credit Facility
Debt Instrument [Line Items]
Federal funds lines of credit outstanding			$ 5,313,000	$ 5,313,000
Advance used to fund PPP loans		$ 5,300,000
Maximum borrowing capacity under term note		$ 10,000,000.0
Revolving Credit Facility \| Prime Rate
Debt Instrument [Line Items]
Basis spread on variable rate		0.40%
Term Note
Debt Instrument [Line Items]
Interest rate		4.70%	4.70%	4.70%
Term note outstanding balance			$ 8,250,000	$ 9,250,000
Maximum line of credit		$ 10,000,000.0
Federal Reserve Bank Advances
Debt Instrument [Line Items]
Available borrowing capacity under FRB			$ 0