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Loan and Allowance for Loan Losses (Tables)	9 Months Ended
	Sep. 30, 2021
Loans And Leases Receivable Disclosure [Abstract]
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	September 30, December 31, (Dollars in thousands) 2021 2020 Commercial and industrial $ 79,202 $ 82,585 Construction and land development 34,890 33,514 Commercial real estate: Owner occupied 57,138 54,033 Hotel/motel 44,412 42,900 Multi-family 41,291 40,203 Other 109,957 118,000 Total commercial real estate 252,798 255,136 Residential real estate: Consumer mortgage 32,558 35,027 Investment property 47,647 49,127 Total residential real estate 80,205 84,154 Consumer installment 7,060 7,099 Total loans 454,155 462,488 Less: unearned income (923) (788) Loans, net of unearned income $ 453,232 $ 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 September 30, 2021: Commercial and industrial $ 79,134 68 — 79,202 — $ 79,202 Construction and land development 34,890 — — 34,890 — 34,890 Commercial real estate: Owner occupied 57,138 — — 57,138 — 57,138 Hotel/motel 44,412 — — 44,412 — 44,412 Multi-family 41,291 — — 41,291 — 41,291 Other 109,764 — — 109,764 193 109,957 Total commercial real estate 252,605 — — 252,605 193 252,798 Residential real estate: Consumer mortgage 32,273 16 69 32,358 200 32,558 Investment property 47,161 393 — 47,554 93 47,647 Total residential real estate 79,434 409 69 79,912 293 80,205 Consumer installment 7,035 25 — 7,060 — 7,060 Total $ 453,098 502 69 453,669 486 $ 454,155 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]	September 30, 2021 (Dollars in thousands) Commercial and industrial Construction and land development Commercial real estate Residential real estate Consumer installment Total Quarter ended: Beginning balance $ 829 639 2,704 838 97 $ 5,107 Charge-offs — — — — — — Recoveries 1 — — 7 4 12 Net recoveries 1 — — 7 4 12 Provision for loan losses (14) (49) 119 (46) (10) — Ending balance $ 816 590 2,823 799 91 $ 5,119 Nine months ended: Beginning balance $ 807 594 3,169 944 104 $ 5,618 Charge-offs — — — (1) (5) (6) Recoveries 55 — — 33 19 107 Net recoveries 55 — — 32 14 101 Provision for loan losses (46) (4) (346) (177) (27) (600) Ending balance $ 816 590 2,823 799 91 $ 5,119 September 30, 2020 (Dollars in thousands) Commercial and industrial Construction and land development Commercial real estate Residential real estate Consumer installment Total Quarter ended: Beginning balance $ 679 613 2,915 954 147 $ 5,308 Charge-offs — — — — (4) (4) Recoveries 8 — — 8 5 21 Net recoveries 8 — — 8 1 17 Provision for loan losses 111 (31) 205 (8) (27) 250 Ending balance $ 798 582 3,120 954 121 $ 5,575 Nine months ended: Beginning balance $ 577 569 2,289 813 138 $ 4,386 Charge-offs (4) — — — (36) (40) Recoveries 63 — — 53 13 129 Net recoveries (charge-offs) 59 — — 53 (23) 89 Provision for loan losses 162 13 831 88 6 1,100 Ending balance $ 798 582 3,120 954 121 $ 5,575
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 September 30, 2021: Commercial and industrial (3) $ 816 79,202 — — 816 79,202 Construction and land development 590 34,890 — — 590 34,890 Commercial real estate 2,823 252,605 — 193 2,823 252,798 Residential real estate 799 80,112 — 93 799 80,205 Consumer installment 91 7,060 — — 91 7,060 Total $ 5,119 453,869 — 286 5,119 454,155 September 30, 2020: Commercial and industrial (4) $ 798 98,244 — — 798 98,244 Construction and land development 582 31,651 — — 582 31,651 Commercial real estate 3,120 250,776 — 216 3,120 250,992 Residential real estate 954 84,943 — 111 954 85,054 Consumer installment 121 7,731 — — 121 7,731 Total $ 5,575 473,345 — 327 5,575 473,672 (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 $13.3 million of PPP loans for which no allowance for loan losses was allocated due to 100% SBA guarantee. (4) Includes $36.5 million of PPP loans for which no allowance for loan losses 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 September 30, 2021:  Commercial and industrial $ 78,786 142 274 — $ 79,202 Construction and land development 34,656 3 231 — 34,890 Commercial real estate: Owner occupied 55,570 1,438 130 — 57,138 Hotel/motel 36,649 7,763 — — 44,412 Multi-family 37,765 3,526 — — 41,291 Other 107,818 1,904 42 193 109,957 Total commercial real estate 237,802 14,631 172 193 252,798 Residential real estate: Consumer mortgage 30,516 317 1,525 200 32,558 Investment property 47,095 136 323 93 47,647 Total residential real estate 77,611 453 1,848 293 80,205 Consumer installment 7,036 5 19 — 7,060 Total $ 435,891 15,234 2,544 486 $ 454,155 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]	September 30, 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 $ 208 (15) 193 $ — Total commercial real estate 208 (15) 193 — Residential real estate: Investment property 101 (8) 93 — Total residential real estate 101 (8) 93 — Total impaired loans $ 309 (23) 286 $ — (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 September 30, 2021 Nine months ended September 30, 2021 Average Total interest Average Total interest recorded income recorded income (Dollars in thousands) investment recognized investment recognized Impaired loans: Commercial real estate: Other $ 196 — 202 — Total commercial real estate 196 — 202 — Residential real estate: Investment property 95 — 100 — Total residential real estate 95 — 100 — Total  $ 291 — 302 — Quarter ended September 30, 2020 Nine months ended September 30, 2020 Average Total interest Average Total interest recorded income recorded income (Dollars in thousands) investment recognized investment recognized Impaired loans: Commercial real estate: Other $ 217 — 87 — Total commercial real estate 217 — 87 — Residential real estate: Investment property 111 — 44 — Total residential real estate 111 — 44 — Total  $ 328 — 131 —
Troubled Debt Restructurings on Financing Receivables, Accrual Status [Table Text Block]	TDRs Related (Dollars in thousands) Accruing Nonaccrual Total Allowance September 30, 2021 Commercial real estate: Other $ — 193 193 $ — Total commercial real estate — 193 193 — Residential real estate: Investment property — 93 93 $ — Total residential real estate — 93 93 — Total  $ — 286 286 $ — TDRs Related (In thousands) Accruing Nonaccrual Total Allowance December 31, 2020 Commercial real estate: Other $ — 212 212 $ — Total commercial real estate — 212 212 — Investment property — 107 107 — Total residential real estate — 107 107 — Total  $ — 319 319 $ —
Troubled Debt Restructuring Modifications [Table Text Block]	Quarter ended September 30, Nine months ended September 30,  Pre- Post - Pre- Post - modification modification modification modification Number outstanding outstanding Number outstanding outstanding of recorded recorded of recorded recorded (Dollars in thousands) contracts investment investment contracts investment investment 2020: Commercial real estate: Other — $ — — 1 $ 216 216 Total commercial real estate — — — 1 216 216 Residential real estate: Investment property — — — 3 111 111 Total residential real estate — — — 3 111 111 Total  — $ — — 4 $ 327 327

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