Amount of deferment loan.

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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 companies borrowed PPP loan.

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Number of loans to small business.

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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 net increase(decrease) in interest income during the period representing the allocation of deferred loan origination fees less deferred loan origination costs using the effective interest method over the term of the debt arrangement to which they pertain taking into account the effect of prepayments.

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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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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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The increase (decrease) during the reporting period in net unamortized loan origination fees and other fees that are collected at origination but recorded as income over the life of the loan.

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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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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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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	3 Months Ended	12 Months Ended
	Mar. 31, 2021 USD ($) Loan Borrower Contract	Dec. 31, 2020 USD ($) Contract	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Loans Pledged as Collateral	$ 59,000	$ 36,100
Loans and Leases Receivable, Related Parties, Ending Balance	300	400
Loans and Leases Receivable, Related Parties, Additions	0	100
Loans and Leases Receivable, Related Parties, Proceeds	0	500
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest	2,500	3,100
Financing Receivable, Troubled Debt Restructuring	100	100
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans	28	161
Interest Income Recorded	5	42
Financing Receivable, Restructuring Recorded Investment With Nonaccrual Status	0	0
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	$ 7,475	$ 7,470	$ 5,954	$ 5,762
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	$ 14,800
Number of loans to small businesses \| Loan	154
Remaining Loan balance	$ 5,200
Number of companies \| Borrower	76
Amortized loan fees	$ 93	161
Net deferred loan fee	387
Paycheck Protection Program [Member] \| Two Year Term Loan [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Loan, aggregate principal balance	$ 9,600
Loan payment term	two years
Paycheck Protection Program [Member] \| Five Year Term Loan [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Loan, aggregate principal balance	$ 9,600
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]
Financing Receivable, Nonaccrual	$ 1,200	8,100
Deferred principal balance of loan reduced	$ 12,100	$ 13,500
Deferred principal balance of loan reduced percentage	1.80%	2.10%
Real Estate [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
Percentage of Loan Portfolio	56.50%	56.10%