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Financial Statements (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2020
Jun. 30, 2020
Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Accounting Standards Update [Extensible List]     us-gaap:AccountingStandardsUpdate201802Member
Capitalized cost $ 3,000 $ 4,000