Fresh Start Accounting (Intangible Assets) (Details) $ in Thousands	Jun. 04, 2018 USD ($)
Fresh Start Adjustments
Fresh-Start Adjustment [Line Items]
Fresh start, intangible asset adjustment	$ (147,907)
Successor Company
Fresh-Start Adjustment [Line Items]
Fresh start, intangible asset adjustment	1,130,958
Predecessor Company
Fresh-Start Adjustment [Line Items]
Fresh start, intangible asset adjustment	1,278,865
FCC Licenses | Fresh Start Adjustments
Fresh-Start Adjustment [Line Items]
Fresh start, intangible asset adjustment	(285,309)
FCC Licenses | Successor Company
Fresh-Start Adjustment [Line Items]
Fresh start, intangible asset adjustment	918,500
FCC Licenses | Predecessor Company
Fresh-Start Adjustment [Line Items]
Fresh start, intangible asset adjustment	1,203,809
Other intangible assets | Fresh Start Adjustments
Fresh-Start Adjustment [Line Items]
Fresh start, intangible asset adjustment	137,402
Other intangible assets | Successor Company
Fresh-Start Adjustment [Line Items]
Fresh start, intangible asset adjustment	212,458
Other intangible assets | Predecessor Company
Fresh-Start Adjustment [Line Items]
Fresh start, intangible asset adjustment	75,056
Trademarks and Trade Names | Successor Company
Fresh-Start Adjustment [Line Items]
Fresh start, intangible asset adjustment	21,200
Broadcasting, Affiliate and Producer Relationships | Successor Company
Fresh-Start Adjustment [Line Items]
Fresh start, intangible asset adjustment	162,000
Tower Income Contracts | Successor Company
Fresh-Start Adjustment [Line Items]
Fresh start, intangible asset adjustment	15,100
Advertiser Backlog | Successor Company
Fresh-Start Adjustment [Line Items]
Fresh start, intangible asset adjustment	12,000
Leasehold Intangible Asset | Successor Company
Fresh-Start Adjustment [Line Items]
Fresh start, intangible asset adjustment	$ 2,200