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Compensation Related Costs, Retirement Benefits (Tables) | 9 Months Ended | 12 Months Ended
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Sep. 30, 2020 | Dec. 31, 2019
Retirement Benefits [Abstract] |  |
Schedule of DCP Related Compensation (Income) Expense | The table below shows compensation (income) expense related to the DCP recorded during the nine months ended September 30, 2019 and 2020, respectively:
|  | Nine Months Ended
|  | September 30,
|  | 2019 |  | 2020
DCP related compensation (income) expense |  | $ | 304 |  | $ | (115)
|  | Year Ended
|  | December 31,
|  | 2018 |  | 2019
DCP related compensation (income) expense |  | $ | (75) |  | $ | 408

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- Definition Tabular disclosure of pension and other postretirement benefit arrangements with individual employees, which are generally based on employment contracts between the entity and one or more selected officers or key employees, and which contain a promise by the employer to pay certain amounts at designated future dates, usually including a period after retirement, upon compliance with stipulated requirements. This type of arrangement is distinguished from broader based employee benefit plans as it is usually tailored to the employee. Disclosure also typically includes the amount of related compensation expense recognized during the reporting period and the carrying amount as of the balance sheet date of the related liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 25 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6409733&loc=d3e19512-108361 + Details
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