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Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Indefinite-Lived and Finite-Lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets $ 10,200 $ 10,200
Long-lived intangible assets 8,398 9,300
Accumulated amortization (1,549) (770)
Long-lived intangible assets, net 6,849 7,628
Total intangible assets, net $ 17,049 17,828
Disposal Group, Held-for-sale, Not Discontinued Operations [Member]    
Indefinite-Lived and Finite-Lived Intangible Assets [Line Items]    
Assets held for sale   $ (902)