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Segment Reporting (Narrative) (Details) $ in Thousands	3 Months Ended		6 Months Ended
Segment Reporting (Narrative) (Details) $ in Thousands	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($) segment	Jun. 30, 2018 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments \| segment			2
Corporate expense	$ 24,260	$ 52,536	$ 74,777	$ 108,206
Publishing [Member]
Segment Reporting Information [Line Items]
Corporate expense	$ 6,361	$ 4,145	$ 11,566	$ 10,893