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Lease Commitments - Additional information (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Net occupancy expense	$ 680	$ 671
Loans and Leases Receivable, Net of Deferred Income	$ 985,249		$ 972,095
Short Term Equipment Under Lease [Member]
Property, Plant and Equipment [Line Items]
Description Of Accounting Treatment For Short Term Operating Lease	As of March 31, 2021 and December 31, 2020, the Company had no short-term leases.		As of March 31, 2021 and December 31, 2020, the Company had no short-term leases.

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- Definition

Description of treatment in the books of account for assets under short term operating leases.

+ References

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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
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Amount of net occupancy expense that may include items, such as depreciation of facilities and equipment, lease expenses, property taxes and property and casualty insurance expense.

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-Publisher FASB
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-Topic 942
-SubTopic 220
-Section S99
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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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