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Leases (Supplemental Cash Flow Information Related To Leases) (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Leases [Abstract]    
Operating cash flows from finance leases   $ 7
Operating cash flows from operating leases $ 3,430 3,418
Financing cash flows from finance leases $ 79 $ 111