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Leases (Property, Plant and Equipment Leased to Others through Embedded Leasing Arrangements) (Details)
$ in Thousands
Dec. 31, 2019
USD ($)
Leases [Abstract]  
Property, plant and equipment leased to others through embedded leasing arrangements $ 38,612
Less accumulated depreciation (21,618)
Property, plant and equipment leased to others through embedded leasing arrangements, net $ 16,994