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Loan and Allowance for Loan Losses (Tables)	3 Months Ended
	Mar. 31, 2021
Loans And Leases Receivable Disclosure [Abstract]
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	March 31, December 31, (Dollars in thousands) 2021 2020 Commercial and industrial $ 88,687 $ 82,585 Construction and land development 30,332 33,514 Commercial real estate: Owner occupied 52,257 54,033 Hotel/motel 48,268 42,900 Multi-family 37,936 40,203 Other 116,270 118,000 Total commercial real estate 254,731 255,136 Residential real estate: Consumer mortgage 33,651 35,027 Investment property 49,197 49,127 Total residential real estate 82,848 84,154 Consumer installment 6,524 7,099 Total loans 463,122 462,488 Less: unearned income (1,243) (788) Loans, net of unearned income $ 461,879 $ 461,700
Past Due Financing Receivables [Table Text Block]	Accruing Accruing Total 30-89 Days Greater than Accruing Non- Total  (Dollars in thousands) Current Past Due 90 days Loans Accrual Loans March 31, 2021: Commercial and industrial $ 88,645 42 — 88,687 — $ 88,687 Construction and land development 30,322 10 — 30,332 — 30,332 Commercial real estate: Owner occupied 52,257 — — 52,257 — 52,257 Hotel/motel 48,268 — — 48,268 — 48,268 Multi-family 37,936 — — 37,936 — 37,936 Other 115,884 180 — 116,064 206 116,270 Total commercial real estate 254,345 180 — 254,525 206 254,731 Residential real estate: Consumer mortgage 32,783 394 — 33,177 474 33,651 Investment property 49,089 5 — 49,094 103 49,197 Total residential real estate 81,872 399 — 82,271 577 82,848 Consumer installment 6,488 36 — 6,524 — 6,524 Total $ 461,672 667 — 462,339 783 $ 463,122 December 31, 2020: Commercial and industrial $ 82,355 230 — 82,585 — $ 82,585 Construction and land development 33,453 61 — 33,514 — 33,514 Commercial real estate: Owner occupied 54,033 — — 54,033 — 54,033 Hotel/motel 42,900 — — 42,900 — 42,900 Multi-family 40,203 — — 40,203 — 40,203 Other 117,759 29 — 117,788 212 118,000 Total commercial real estate 254,895 29 — 254,924 212 255,136 Residential real estate: Consumer mortgage 33,169 1,503 140 34,812 215 35,027 Investment property 49,014 6 — 49,020 107 49,127 Total residential real estate 82,183 1,509 140 83,832 322 84,154 Consumer installment 7,069 29 1 7,099 — 7,099 Total $ 459,955 1,858 141 461,954 534 $ 462,488
Allowance for Credit Losses on Financing Receivables [Table Text Block]	March 31, 2021 (Dollars in thousands) Commercial and industrial Construction and land development Commercial real estate Residential real estate Consumer installment Total Quarter ended: Beginning balance $ 807 594 3,169 944 104 $ 5,618 Charge-offs — — — — (5) (5) Recoveries 2 — 50 13 4 69 Net recoveries 2 — 50 13 (1) 64 Provision for loan losses 19 (43) 40 (6) (10) — Ending balance $ 828 551 3,259 951 93 $ 5,682 March 31, 2020 (Dollars in thousands) Commercial and industrial Construction and land development Commercial real estate Residential real estate Consumer installment Total Quarter ended: Beginning balance $ 577 569 2,289 813 138 $ 4,386 Charge-offs — — — — (5) (5) Recoveries 53 — — 31 2 86 Net (charge-offs) recoveries 53 — — 31 (3) 81 Provision for loan losses 45 13 307 33 2 400 Ending balance $ 675 582 2,596 877 137 $ 4,867
Financing Receivable Allowance for Credit Loss Additional Information [Table Text Block]	Collectively evaluated (1) Individually evaluated (2) Total Allowance Recorded Allowance Recorded Allowance Recorded for loan investment for loan investment for loan investment (Dollars in thousands) losses in loans losses in loans losses in loans March 31, 2021: Commercial and industrial (3) $ 828 88,687 — — 828 88,687 Construction and land development 551 30,332 — — 551 30,332 Commercial real estate 3,259 254,525 — 206 3,259 254,731 Residential real estate 951 82,745 — 103 951 82,848 Consumer installment 93 6,524 — — 93 6,524 Total $ 5,682 462,813 — 309 5,682 463,122 March 31, 2020: Commercial and industrial $ 675 56,447 — — 675 56,447 Construction and land development 582 32,302 — — 582 32,302 Commercial real estate 2,596 256,099 — — 2,596 256,099 Residential real estate 877 91,010 — — 877 91,010 Consumer installment 137 8,424 — — 137 8,424 Total $ 4,867 444,282 — — 4,867 444,282 (1) Represents loans collectively evaluated for impairment in accordance with ASC 450-20, Loss Contingencies , and  pursuant to amendments by ASU 2010-20 regarding allowance for non-impaired loans. (2) Represents loans individually evaluated for impairment in accordance with ASC 310-30, Receivables , and  pursuant to amendments by ASU 2010-20 regarding allowance for impaired loans. (3) Includes $28.7 million of PPP loans for which no loan loss reserve was allocated due to 100% SBA guarantee.
Financing Receivable Credit Quality Indicators [Table Text Block]	(Dollars in thousands)  Pass  Special Mention Substandard Accruing Nonaccrual Total loans March 31, 2021:  Commercial and industrial $ 86,376 2,012 299 — $ 88,687 Construction and land development 30,085 — 247 — 30,332 Commercial real estate: Owner occupied 50,091 2,029 137 — 52,257 Hotel/motel 40,452 7,816 — — 48,268 Multi-family 34,406 3,530 — — 37,936 Other 114,809 1,219 36 206 116,270 Total commercial real estate 239,758 14,594 173 206 254,731 Residential real estate: Consumer mortgage 31,108 320 1,749 474 33,651 Investment property 48,465 286 343 103 49,197 Total residential real estate 79,573 606 2,092 577 82,848 Consumer installment 6,509 6 9 — 6,524 Total $ 442,301 17,218 2,820 783 $ 463,122 December 31, 2020: Commercial and industrial $ 79,984 2,383 218 — $ 82,585 Construction and land development 33,260 — 254 — 33,514 Commercial real estate: Owner occupied 51,265 2,627 141 — 54,033 Hotel/motel 35,084 7,816 — — 42,900 Multi-family 36,673 3,530 — — 40,203 Other 116,498 1,243 47 212 118,000 Total commercial real estate 239,520 15,216 188 212 255,136 Residential real estate: Consumer mortgage 32,518 397 1,897 215 35,027 Investment property 48,501 187 332 107 49,127 Total residential real estate 81,019 584 2,229 322 84,154 Consumer installment 7,069 7 23 — 7,099 Total $ 440,852 18,190 2,912 534 $ 462,488
Impaired Financing Receivables [Table Text Block]	March 31, 2021 (Dollars in thousands) Unpaid principal balance (1) Charge-offs and payments applied (2) Recorded investment (3) Related allowance With no allowance recorded: Commercial real estate: Other $ 214 (8) 206 $ — Total commercial real estate 214 (8) 206 — Residential real estate: Investment property 106 (3) 103 — Total residential real estate 106 (3) 103 — Total impaired loans $ 320 (11) 309 $ — (1) Unpaid principal balance represents the contractual obligation due from the customer. (2) Charge-offs and payments applied represents cumulative charge-offs taken, as well as interest payments that have been applied against the outstanding principal balance subsequent to the loans being placed on nonaccrual status. (3) Recorded investment represents the unpaid principal balance less charge-offs and payments applied; it is shown before  any related allowance for loan losses. December 31, 2020 (Dollars in thousands) Unpaid principal balance (1) Charge-offs and payments applied (2) Recorded investment (3) Related allowance With no allowance recorded: Commercial real estate: Other 216 (4) 212 $ — Total commercial real estate 216 (4) 212 — Residential real estate: Investment property 109 (2) 107 — Total residential real estate 109 (2) 107 — Total impaired loans $ 325 (6) 319 $ — (1) Unpaid principal balance represents the contractual obligation due from the customer. (2) Charge-offs and payments applied represents cumulative charge-offs taken, as well as interest payments that have been applied against the outstanding principal balance subsequent to the loans being placed on nonaccrual status. (3) Recorded investment represents the unpaid principal balance less charge-offs and payments applied; it is shown before  any related allowance for loan losses.
Schedule Of Average Impaired Financing Receivable [Table Text Block]	Quarter ended March 31, 2021 Quarter ended March 31, 2020 Average Total interest Average Total interest recorded income recorded income (Dollars in thousands) investment recognized investment recognized Impaired loans: Commercial real estate: Other $ 208 — — $ — Total commercial real estate 208 — — — Residential real estate: Investment property 104 — — — Total residential real estate 104 — — — Total  $ 312 — — $ —
Troubled Debt Restructurings on Financing Receivables, Accrual Status [Table Text Block]	TDRs Related (Dollars in thousands) Accruing Nonaccrual Total Allowance March 31, 2021 Commercial real estate: Other $ — 206206 $ — Total commercial real estate — 206206 — Residential real estate: Investment property — 103103 — Total residential real estate — 103103 — Total  $ — 309309 $ — TDRs Related (In thousands) Accruing Nonaccrual Total Allowance December 31, 2020 Commercial real estate: Other $ — 212212 $ — Total commercial real estate — 212212 — Investment property — 107107 — Total residential real estate — 107107 — Total  $ — 319319 $ —

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Tabular disclosure of financing receivables by credit quality indicator. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics.

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