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Fair Values of Financial Instruments (Tables) | 12 Months Ended
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Dec. 31, 2021
Fair Values Of Financial Instruments [Abstract] |
Schedule of estimated fair values of financial instruments | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2021 | ​ | December 31, 2020 | ​
(dollars in thousands) | ​ | Carrying | ​ | Fair | ​ | Carrying | ​ | Fair | ​
​ |  | Amount |  | Value |  | Amount |  | Value |
Financial assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash and due from banks | ​ | $ | 2,111 | ​ | $ | 2,111 | ​ | $ | 2,117 | ​ | $ | 2,117 | ​
Interest-bearing deposits in other financial institutions | ​ |  | 56,434 | ​ |  | 56,434 | ​ |  | 29,730 | ​ |  | 29,730 | ​
Federal funds sold | ​ |  | 3,636 | ​ |  | 3,636 | ​ |  | 5,246 | ​ |  | 5,246 | ​
Investment securities available for sale | ​ |  | 155,927 | ​ |  | 155,927 | ​ |  | 114,049 | ​ |  | 114,049 | ​
Investments in restricted stock | ​ | ​ | 1,062 | ​ | ​ | 1,062 | ​ | ​ | 1,199 | ​ | ​ | 1,199 | ​
Ground rents | ​ |  | 131 | ​ |  | 131 | ​ |  | 140 | ​ |  | 140 | ​
Loans, less allowance for credit losses | ​ |  | 207,922 | ​ |  | 211,541 | ​ |  | 252,296 | ​ |  | 253,946 | ​
Accrued interest receivable | ​ |  | 1,085 | ​ |  | 1,085 | ​ |  | 1,302 | ​ |  | 1,302 | ​
Cash value of life insurance | ​ |  | 8,338 | ​ |  | 8,338 | ​ |  | 8,181 | ​ |  | 8,181 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Financial liabilities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Deposits | ​ |  | 383,247 | ​ |  | 383,910 | ​ |  | 349,620 | ​ |  | 350,666 | ​
Long-term borrowings | ​ |  | 10,000 | ​ |  | 9,888 | ​ |  | — | ​ |  | — | ​
Short-term borrowings | ​ | ​ | 10,000 | ​ | ​ | 10,000 | ​ | ​ | 29,912 | ​ | ​ | 29,935 | ​
Accrued interest payable | ​ |  | 11 | ​ |  | 11 | ​ |  | 16 | ​ |  | 16 | ​
Unrecognized financial instruments: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Commitments to extend credit | ​ |  | 28,167 | ​ |  | 28,167 | ​ |  | 31,561 | ​ |  | 31,561 | ​
Standby letters of credit | ​ |  | 55 | ​ |  | 55 | ​ |  | 1,044 | ​ |  | 1,044 | ​
​
Schedule of fair value hierarchy of financial instruments | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(dollars in thousands) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Carrying | ​ | Fair | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
December 31, 2021 |  | Amount |  | Value |  | Level 1 |  | Level 2 |  | Level 3
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Financial instruments - Assets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash and cash equivalents | ​ | $ | 62,181 | ​ | $ | 62,181 | ​ | $ | 62,181 |  | — | ​ | $ | —
Loans receivable, net | ​ |  | 207,922 | ​ |  | 211,541 | ​ |  | — |  | — | ​ |  | 211,541
Cash value of life insurance | ​ |  | 8,338 | ​ |  | 8,338 | ​ |  | — |  | 8,338 | ​ |  | —
Financial instruments - Liabilities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Deposits | ​ |  | 383,247 | ​ |  | 383,910 | ​ |  | 227,580 |  | 156,330 | ​ |  | —
Long-term debt | ​ |  | 10,000 | ​ |  | — | ​ |  | — |  | — | ​ |  | —
Short-term debt | ​ |  | 10,000 | ​ |  | 10,000 | ​ |  | — |  | 10,000 | ​ |  | —
​

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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13467-108611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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