Loans and Asset Quality - Schedule of Loans by Risk Rating (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	$ 1,683,832	$ 1,588,446
Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	1,674,518	1,575,839
Special Mention
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	2,392	2,351
Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	6,922	10,256
Doubtful
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	0	0
Loss
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	0	0
Real estate | Commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	670,293	556,769
Real estate | Commercial real estate | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	666,838	551,954
Real estate | Commercial real estate | Special Mention
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	499	555
Real estate | Commercial real estate | Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	2,956	4,260
Real estate | Commercial real estate | Doubtful
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	0	0
Real estate | Commercial real estate | Loss
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	0	0
Real estate | One-to-four family residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	474,420	442,889
Real estate | One-to-four family residential | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	473,638	441,374
Real estate | One-to-four family residential | Special Mention
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	321	486
Real estate | One-to-four family residential | Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	461	1,029
Real estate | One-to-four family residential | Doubtful
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	0	0
Real estate | One-to-four family residential | Loss
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	0	0
Real estate | Construction and development
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	106,339	127,321
Real estate | Construction and development | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	105,838	126,542
Real estate | Construction and development | Special Mention
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	0	0
Real estate | Construction and development | Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	501	779
Real estate | Construction and development | Doubtful
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	0	0
Real estate | Construction and development | Loss
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	0	0
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	311,373	250,428
Commercial and industrial | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	306,925	245,043
Commercial and industrial | Special Mention
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	1,551	1,310
Commercial and industrial | Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	2,897	4,075
Commercial and industrial | Doubtful
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	0	0
Commercial and industrial | Loss
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	0	0
SBA PPP, net of deferred income
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	17,550	118,447
SBA PPP, net of deferred income | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	17,550	118,447
SBA PPP, net of deferred income | Special Mention
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	0	0
SBA PPP, net of deferred income | Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	0	0
SBA PPP, net of deferred income | Doubtful
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	0	0
SBA PPP, net of deferred income | Loss
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	0	0
Tax-exempt
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	80,726	68,666
Tax-exempt | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	80,726	68,666
Tax-exempt | Special Mention
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	0	0
Tax-exempt | Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	0	0
Tax-exempt | Doubtful
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	0	0
Tax-exempt | Loss
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	0	0
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	23,131	23,926
Consumer | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	23,003	23,813
Consumer | Special Mention
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	21	0
Consumer | Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	107	113
Consumer | Doubtful
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	0	0
Consumer | Loss
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans HFI	$ 0	$ 0