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Leases (Narrative) (Details) - Warren, New Jersey [Member] $ in Thousands | Jul. 02, 2019 USD ($) ft²
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Lease [Line Items] |
Area of property | ft² | 315,000
Annual lease expense | $ 7,800
Monthly lease expense | $ 650
Lease expiration, year | 2036

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- References No definition available. + Details
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Namespace Prefix: | re_
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- Definition Area of a real estate property. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977 + Details
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- Details
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