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New Accounting Standards New Accounting Standards - Narrative (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Jul. 01, 2019
Jun. 30, 2019
New Accounting Standards [Abstract]      
Operating Lease, Liability $ 43,894 $ 49,000  
Operating lease right-of-use assets (Note 10) $ 43,824 $ 49,000 $ 0