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Basis Of Presentation Trade name accelerated amortization (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Schedule of Trade Name Accelerated Amortization [Line Items]        
Amortization of identifiable intangibles $ 753 $ 890 $ 1,511 $ 1,782