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Accumulated Other Comprehensive Income (Tables) | 6 Months Ended
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Jun. 30, 2020
Accumulated Other Comprehensive Income [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ |  | Unrealized gains |  |  | ​
​ | ​ | ​ | ​ | (losses) on securities | ​ | ​
​ | ​ | Unrealized | ​ | transferred from | ​ | Accumulated
​ | ​ | gains (losses) on | ​ | Available-for-sale | ​ | other
​ | ​ | available for sale | ​ | to | ​ | comprehensive
(Dollars in thousands) | ​ | securities | ​ | Held-to-maturity | ​ | income (loss)
Balance, December 31, 2019 | ​ | $ | 218 | ​ | $ | (11) | ​ | $ | 207
Other comprehensive income before reclassifications | ​ |  | 2,047 | ​ |  | 9 | ​ |  | 2,056
Reclassification of gains recognized | ​ | ​ | (259) | ​ |  | — | ​ |  | (259)
Balance, June 30, 2020 | ​ | $ | 2,006 | ​ | $ | (2) | ​ | $ | 2,004
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance, December 31, 2018 | ​ | $ | (2,918) | ​ | $ | (32) | ​ | $ | (2,950)
Other comprehensive income | ​ |  | 2,747 | ​ |  | 10 | ​ |  | 2,757
Balances, June 30, 2019 | ​ | $ | (171) | ​ | $ | (22) | ​ | $ | (193)

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 + Details
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