Debt instrument fee percentage.

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Deferred principal balance of loan reduced.

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Financing receivable restructuring recorded investment with non accrual status.

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Interest income recorded.

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Loans modifies in a troubled debt restructuring individually evaluated for impairment principal balance threshold.

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Number of loans to small business.

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Percentage of loan balance to Major Franchises.

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Percentage of loan portfolio.

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Reduction in deferred principal balance of loan.

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Remaining long term debt.

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The aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan. This relates to loans with deteriorating of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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Amount of cash flows expected to be collected at acquisition of acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

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The recorded balance, net of any applicable reductions (for example, unamortized accretable yield and allowance for loan losses). This relates to loans not accounted for debt securities with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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The undiscounted sum of all amounts, including amounts deemed principal, interest, fees, penalties, and other under the loan, owed to the investor at the reporting date, whether or not currently due and whether or not any such amounts have been written or charged off by the investor. This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

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

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Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment.

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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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Amount of financing receivable modified as troubled debt restructuring.

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Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

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Amount of financing receivable on nonaccrual status.

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Amount of investment in impaired financing receivables for which there is no related allowance for credit losses.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period).

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Reflects the carrying amount of loans deemed to be questionable as to collection on which no interest is continuing to be recognized.

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For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date.

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Reflects the amount of new advances made to related parties in the form of loan and lease receivables.

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Amount of cash inflow from related parties which reduce the amount of loans and leases receivable due from related parties.

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Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered.

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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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Loans and Allowance for Loan and Lease Losses - Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) Loan Contract	Dec. 31, 2019 USD ($) Contract	Dec. 31, 2018 USD ($)	Aug. 31, 2018 USD ($)
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Loans Pledged as Collateral	$ 36,100	$ 34,600
Loans and Leases Receivable, Related Parties, Ending Balance	400	900
Loans and Leases Receivable, Related Parties, Additions	0	100
Loans and Leases Receivable, Related Parties, Proceeds	500	22
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance, Total				$ 2,900
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net				$ 2,800
Certain Loans Acquired in Transfer, Accretable Yield	0	0
Loans	650,123	556,053
Non-accruing loans	$ 3,086	3,723
Percentage of loan balance to Major Franchises	100.00%
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest	$ 3,100	3,700
Financing Receivable, Troubled Debt Restructuring	100	100
Impaired loans with no related allowance recorded, carrying amount	7,009	2,861
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans	161	41
Interest Income Recorded	42	147
Financing Receivable, Restructuring Recorded Investment With Nonaccrual Status	0	16
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, Cash Flows Expected to be Collected at Acquisition	$ 0	$ 0
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts \| Contract	0	0
Loans, allowance for loan losses	$ 7,470	$ 5,762	$ 5,055
Restructured Loan Modified through Extended Maturity and Payment Schedule Modification [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Financing Receivable, Restructuring Recorded Investment With Nonaccrual Status	500
Loans, allowance for loan losses	1	1
Minimum [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Loans Modified in a Troubled Debt Restructuring, Individually Evaluated for Impairment, Principal Balance, Threshold	$ 500
Minimum [Member] \| ALC [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest		50
Paycheck Protection Program [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Loan, fixed interest rate	1.00%
Loan, aggregate principal balance	$ 14,000
Number of loans to small businesses \| Loan	167
Remaining Loan balance	$ 11,900
Paycheck Protection Program [Member] \| Two Year Term Loan [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Loan, aggregate principal balance	$ 13,800
Loan payment term	two-year
Paycheck Protection Program [Member] \| Five Year Term Loan [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Loan, aggregate principal balance	$ 200
Loan payment term	five-year
Paycheck Protection Program [Member] \| Minimum [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Loan fee percentage	1.00%
Paycheck Protection Program [Member] \| Maximum [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Loan fee percentage	5.00%
Financial Asset Acquired With Credit Deterioration [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Loans	$ 160	175
Non-accruing loans	200		$ 200
Deferred principal balance of loan reduced	$ 8,100
Deferred principal balance of loan reduced percentage	1.20%
Impaired loans with no related allowance recorded, carrying amount	$ 200	200
Financial Asset Acquired With Credit Deterioration [Member] \| Substandard [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Loans	$ 200	$ 200
Real Estate [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Percentage of Loan Portfolio	56.10%	62.80%