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Investments - Schedule of Investments (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
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Investments schedule [Line Items] |  |
Investments, at fair value | $ 11,561 | $ 12,095
Rabbi Trust Associated With Deferred Compensation Plan [Member] |  |
Investments schedule [Line Items] |  |
Investments, at fair value | 11,534 | 12,069
Equity Securities [Member] |  |
Investments schedule [Line Items] |  |
Investments, at fair value | $ 27 | $ 26

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- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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