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Revenue Recognition (Tables) | 3 Months Ended
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Mar. 31, 2021
Revenue Recognition [Abstract] |
Noninterest income, segregated by revenue streams in-scope and out-of-scope of Topic 606 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For Three Months Ended | ​
​ | ​ | March 31, | ​
(Dollars in thousands) |  | 2021 |  | 2020 | ​
Noninterest Income |  | ​ |  |  | ​ |  |
In-scope of Topic 606: |  | ​ |  |  | ​ |  |
Service charges on deposit accounts | ​ | $ | 674 | ​ | $ | 866 | ​
Trust and investment fee income | ​ |  | 407 | ​ |  | 375 | ​
Interchange income | ​ | ​ | 869 | ​ | ​ | 652 | ​
Other noninterest income | ​ |  | 305 | ​ |  | 280 | ​
Noninterest Income (in-scope of Topic 606) | ​ |  | 2,255 | ​ |  | 2,173 | ​
Noninterest Income (out-of-scope of Topic 606) | ​ |  | 302 | ​ |  | 179 | ​
Total Noninterest Income | ​ | $ | 2,557 | ​ | $ | 2,352 | ​

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 + Details
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