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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2022
Stock-Based Compensation [Abstract] |
Schedule of Stock-Based Compensation | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
(Dollars in thousands) |  | 2022 |  | 2021
Stock-based compensation expense | ​ | $ | 636 | ​ | $ | 378
Excess tax benefits related to stock-based compensation | ​ |  | 42 | ​ |  | 9
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​
(Dollars in thousands) |  | 2022 |  | 2021 |
Unrecognized stock-based compensation expense | ​ | $ | 138 | ​ | $ | 80 | ​
Weighted average period unrecognized expense is expected to be recognized | ​ |  | 0.2 | years |  | 0.2 | years
​
Schedule of Share-based Compensation, Restricted Stock and Units Award Activity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2022 | ​ | 2021
​ | ​ | ​ | ​ | Weighted Average | ​ | ​ | ​ | Weighted Average
​ | ​ | Number of | ​ | Grant Date | ​ | Number of | ​ | Grant Date
​ |  | Shares |  | Fair Value |  | Shares |  | Fair Value
Nonvested at beginning of period |  | 29,425 | ​ | $ | 13.95 |  | 24,505 | ​ | $ | 13.78
Granted |  | 34,184 | ​ |  | 20.48 |  | 26,583 | ​ |  | 13.81
Vested |  | (26,749) | ​ |  | 13.75 |  | (20,240) | ​ |  | 13.54
Forfeited |  | — | ​ |  | — |  | (1,423) | ​ |  | 13.34
Nonvested at end of period |  | 36,860 | ​ | $ | 20.15 |  | 29,425 | ​ | $ | 13.95
​

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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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