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Statement of Consolidated Operations (unaudited) (Parenthetical) | 6 Months Ended
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Jun. 30, 2020
Income Statement [Abstract] |
Cost, Product and Service [Extensible List] | us-gaap:ProductMember

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Indicates type of cost from product sold and service rendered. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 55 -Paragraph 91 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121551570&loc=SL49130690-203046-203046 + Details
Name: | us-gaap_TypeOfCostGoodOrServiceExtensibleList
Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration