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Financial Instruments (Tables) | 3 Months Ended
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Mar. 31, 2021
Financial Instruments [Abstract] |
Carrying Value, Fair Value And Hierarchy Of Financial Instruments | The following shows the carrying value, fair value and the hierarchy for our financial instruments as of March 31, 2021 (in thousands):
|  |  |  |  | Fair Value Measure
|  | Carrying Value |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3)
Mutual fund investments of deferred |  |  |  |  |  |  |  |  |  |  |
compensation plans held in trust | $ | 93,705 |  | $ | 93,705 |  | $ | - |  | $ | -
The following shows the carrying value, fair value and the hierarchy for our financial instruments as of December 31, 2020 (in thousands):
|  |  |  |  | Fair Value Measure
|  | Carrying Value |  |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3)
Mutual fund investments of deferred |  |  |  |  |  |  |  |  |  |  |
compensation plans held in trust | $ | 88,811 |  | $ | 88,811 |  | $ | - |  | $ | -

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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13467-108611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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