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Benefit Plans - Components of Company Plan Benefit Expense (Parenthetical) (Details) - USD ($) |  | 6 Months Ended
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Feb. 26, 2020 | Jun. 30, 2020
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items] |  |
Age limit for a lump sum payment |  | 55 years
Common Stock |  |
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items] |  |
Deferred compensation arrangement with individual, value of shares issued | $ 8,925,065 |

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- Definition The total fair value of shares issued during the period under a deferred compensation arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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