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Retirement Plans (Tables) | 3 Months Ended
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Mar. 31, 2021
Retirement Plans [Abstract] |
Schedule Of Expenses For Retirement, Profit-Sharing Plans, Excess Benefit Plans And Other Similar Plans |
Three months ended March 31,
2021 |  | 2020
$ | 8,699 |  | $ | (4,414)

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- Definition Tabular disclosure of defined contribution pension plans or defined contribution other postretirement plans, separately for pension plans and other postretirement benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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