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Commitments And Contingencies (Narrative) (Details) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2020 USD ($) claim | Dec. 31, 2019 USD ($)
Cotter, Jr. Related Litigation Matters [Member] |  |
Commitments And Contingencies [Line Items] |  |
Settlement awarded | $ 1,550,000 |
Legal fees |  | $ 10,000,000.0
Litigation expense | $ 75,000 | $ 925,000
Employment Litigation [Member] |  |
Commitments And Contingencies [Line Items] |  |
Number of new claims filed | claim | 2 |

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- Definition The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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- Definition The total number of new claims filed pertaining to a loss contingency during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349 + Details
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