Loans and Allowance for Loan Losses - Internal Risk Rating System (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	$ 1,050,885	$ 952,496
Pass
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	993,979	919,809
Special Mention
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	38,084	24,585
Substandard
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	18,189	7,383
Doubtful
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	633	719
Real Estate | Residential
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	343,955	347,766
Real Estate | Residential | Pass
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	340,421	343,851
Real Estate | Residential | Special Mention
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	1,045	1,997
Real Estate | Residential | Substandard
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	2,489	1,918
Real Estate | Residential | Doubtful
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	0	0
Real Estate | Commercial
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	353,904	351,360
Real Estate | Commercial | Pass
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	311,125	335,436
Real Estate | Commercial | Special Mention
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	29,383	12,260
Real Estate | Commercial | Substandard
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	13,396	3,664
Real Estate | Commercial | Doubtful
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	0	0
Real Estate | Construction
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	69,178	35,605
Real Estate | Construction | Pass
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	65,158	33,342
Real Estate | Construction | Special Mention
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	3,379	2,263
Real Estate | Construction | Substandard
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	641	0
Real Estate | Construction | Doubtful
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	0	0
Commercial and Industrial
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	144,315	85,586
Commercial and Industrial | Pass
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	137,871	75,201
Commercial and Industrial | Special Mention
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	4,197	7,975
Commercial and Industrial | Substandard
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	1,614	1,691
Commercial and Industrial | Doubtful
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	633	719
Consumer
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	117,364	113,637
Consumer | Pass
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	117,315	113,527
Consumer | Special Mention
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	0	0
Consumer | Substandard
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	49	110
Consumer | Doubtful
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	0	0
Other
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	22,169	18,542
Other | Pass
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	22,089	18,452
Other | Special Mention
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	80	90
Other | Substandard
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	0	0
Other | Doubtful
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	$ 0	$ 0