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EMPLOYEE BENEFIT PLANS (Tables) | 6 Months Ended
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Jun. 30, 2021
Retirement Benefits [Abstract] |
Schedule of Net Periodic Benefit Cost | Net periodic benefit costs for such retirement medical plans were as follows:
|  | Six Months Ended June 30,
|  | 2021 |  | 2020
Service cost |  | $ | 43 |  |  | $ | 34 |
Interest cost |  | 12 |  |  | 13 |
Amortization of prior service cost |  | 37 |  |  | 38 |
Amortization of gain |  | (12) |  |  | (26) |
Net periodic benefit cost |  | $ | 80 |  |  | $ | 59 |
Net periodic benefit costs for such benefit pensions plans were as follows:
|  | Six Months Ended June 30,
|  | 2021 |  | 2020
Service cost with interest to end of year |  | $ | 35 |  |  | $ | 52 |
Interest cost |  | 7 |  |  | 10 |
Expected return on plan assets |  | (18) |  |  | (8) |
Amortization of gain |  | 2 |  |  | — |
Total net periodic benefit cost |  | $ | 26 |  |  | $ | 54 |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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