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Loans and Allowance for Loan Losses - Summary of Allowance for Loan Losses and Recorded Investment in Loans by Portfolio Segment and Based on Impairment Method (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019
Allowance for loan losses:
Beginning balance		$ 4,134	$ 4,022
Provision		2,000	0
Charge-offs		(185)	(453)
Recoveries		412	565
Ending balance		6,361	4,134
Ending allowance attributable to loans:
Individually evaluated for impairment		51	6
Collectively evaluated for impairment		6,310	4,128
Ending balance		6,361	4,134
Loans:
Individually evaluated for impairment		7,274	6,095
Collectively evaluated for impairment		591,341	245,995
Total loans		598,615	252,090
Commercial (Secured by Real Estate)
Allowance for loan losses:
Beginning balance		1,661	1,619
Provision		1,207	(88)
Charge-offs		(30)
Recoveries		246	130
Ending balance		3,084	1,661
Ending allowance attributable to loans:
Individually evaluated for impairment		2	1
Collectively evaluated for impairment		3,082	1,660
Ending balance		3,084	1,661
Loans:
Individually evaluated for impairment		2,584	1,539
Collectively evaluated for impairment		175,987	52,949
Total loans		178,571	54,488
Commercial and Industrial
Allowance for loan losses:
Beginning balance		1,478	1,520
Provision		(194)	53
Charge-offs			(163)
Recoveries		36	68
Ending balance		1,320	1,478
Ending allowance attributable to loans:
Individually evaluated for impairment		35
Collectively evaluated for impairment		1,285	1,478
Ending balance		1,320	1,478
Loans:
Individually evaluated for impairment		1,085	395
Collectively evaluated for impairment		154,469	28,218
Total loans		155,554	28,613
Paycheck Protection Program
Loans:
Collectively evaluated for impairment	[1]	101,749
Total loans	[1]	101,749
Construction, Land and Acquisition & Development
Allowance for loan losses:
Beginning balance		153	108
Provision		71	45
Ending balance		224	153
Ending allowance attributable to loans:
Collectively evaluated for impairment		224	153
Ending balance		224	153
Loans:
Collectively evaluated for impairment		23,571	20,502
Total loans		23,571	20,502
Residential Mortgage
Allowance for loan losses:
Beginning balance		369	641
Provision		627	(385)
Charge-offs		(126)	(254)
Recoveries		100	367
Ending balance		970	369
Ending allowance attributable to loans:
Individually evaluated for impairment		14	5
Collectively evaluated for impairment		956	364
Ending balance		970	369
Loans:
Individually evaluated for impairment		3,597	4,161
Collectively evaluated for impairment		88,180	112,682
Total loans		91,777	116,843
Consumer Installment
Allowance for loan losses:
Beginning balance		466	127
Provision		252	375
Charge-offs		(29)	(36)
Recoveries		30
Ending balance		719	466
Ending allowance attributable to loans:
Collectively evaluated for impairment		719	466
Ending balance		719	466
Loans:
Individually evaluated for impairment		8
Collectively evaluated for impairment		47,385	31,644
Total loans		47,393	31,644
Unallocated
Allowance for loan losses:
Beginning balance		7	7
Provision		37
Ending balance		44	7
Ending allowance attributable to loans:
Collectively evaluated for impairment		44	7
Ending balance		$ 44	$ 7
[1] Includes PPP loans that are fully guaranteed by the SBA; thus, no allowance for loan losses has been allocated to these loans.

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Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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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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