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Loans and Allowance for Loan Losses - Summary of Allowance for Loans Losses (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Financing Receivable Impaired [Line Items]
Allowance, beginning of period	$ 4,572	$ 3,580
Charge-offs	(1,505)	(961)
Recoveries	310	211
Net charge-offs	(1,195)	(750)
Provision for loan losses	10,450	1,742
Allowance, end of period	13,827	4,572
Commercial and Industrial [Member]
Financing Receivable Impaired [Line Items]
Allowance, beginning of period	841	572
Charge-offs	(6)	(43)
Recoveries	41
Provision for loan losses	2,886	312
Allowance, end of period	3,762	841
Consumer Loans [Member]
Financing Receivable Impaired [Line Items]
Allowance, beginning of period	1,328	1,213
Charge-offs	(994)	(914)
Recoveries	261	205
Provision for loan losses	2,646	824
Allowance, end of period	3,241	1,328
Real Estate, Mortgage [Member]
Financing Receivable Impaired [Line Items]
Charge-offs	(505)	(4)
Recoveries	$ 8	$ 6

X

- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 11B
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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, after recoveries, of loans and leases that have been written-off.

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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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