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Loans and Allowance for Loan Losses - Summary of Impaired Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable Impaired [Line Items]
Recorded Investment, With no related allowance recorded	$ 5,735	$ 3,525
Unpaid Principal Balance, With no related allowance recorded	5,768	4,622
Average Recorded Investment, With no related allowance recorded	5,848	3,583
Interest Income Recognized, With no related allowance recorded	82	52
Recorded Investment, With an allowance recorded	1,493	3,749
Unpaid Principal Balance, With an allowance recorded	1,495	3,752
Allocated Related Allowance, With an allowance recorded	7	51
Average Recorded Investment, With an allowance recorded	1,531	3,842
Interest Income Recognized, With an allowance recorded	72	170
Total impaired loans, Recorded Investment	7,228	7,274
Total impaired loans, Unpaid Principal Balance	7,263	8,374
Total impaired loans, Allocated Related Allowance	7	51
Total impaired loans, Average Recorded Investment	7,379	7,425
Total impaired loans, Interest Income Recognized	154	222
Commercial (Secured by Real Estate)
Financing Receivable Impaired [Line Items]
Recorded Investment, With no related allowance recorded	3,294	1,136
Unpaid Principal Balance, With no related allowance recorded	3,294	2,232
Average Recorded Investment, With no related allowance recorded	3,277	1,138
Interest Income Recognized, With no related allowance recorded	51	42
Recorded Investment, With an allowance recorded	188	1,448
Unpaid Principal Balance, With an allowance recorded	189	1,449
Allocated Related Allowance, With an allowance recorded	1	2
Average Recorded Investment, With an allowance recorded	192
Interest Income Recognized, With an allowance recorded	12	91
Commercial and Industrial
Financing Receivable Impaired [Line Items]
Recorded Investment, With no related allowance recorded	388	395
Unpaid Principal Balance, With no related allowance recorded	421	395
Average Recorded Investment, With no related allowance recorded	458	395
Recorded Investment, With an allowance recorded	365	690
Unpaid Principal Balance, With an allowance recorded	365	690
Allocated Related Allowance, With an allowance recorded	1	35
Average Recorded Investment, With an allowance recorded	379	1,481
Interest Income Recognized, With an allowance recorded		6
Construction, Land and Acquisition & Development
Financing Receivable Impaired [Line Items]
Average Recorded Investment, With an allowance recorded		727
Residential Mortgage
Financing Receivable Impaired [Line Items]
Recorded Investment, With no related allowance recorded	2,052	1,986
Unpaid Principal Balance, With no related allowance recorded	2,052	1,987
Average Recorded Investment, With no related allowance recorded	2,110	2,041
Interest Income Recognized, With no related allowance recorded	31	9
Recorded Investment, With an allowance recorded	940	1,611
Unpaid Principal Balance, With an allowance recorded	941	1,613
Allocated Related Allowance, With an allowance recorded	5	14
Average Recorded Investment, With an allowance recorded	960
Interest Income Recognized, With an allowance recorded	60	73
Consumer Installment
Financing Receivable Impaired [Line Items]
Recorded Investment, With no related allowance recorded	1	8
Unpaid Principal Balance, With no related allowance recorded	1	8
Average Recorded Investment, With no related allowance recorded	$ 3	9
Interest Income Recognized, With no related allowance recorded		1
Average Recorded Investment, With an allowance recorded		$ 1,634

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