Fresh Start Accounting (Schedule of Adjustments Set Forth in the Statement of Financial Position) (Details)	Jun. 04, 2018 USD ($)
Fresh Start Adjustments, Assets
Goodwill	$ (135,214,000)
Fresh Start Adjustments, Liabilities and Stockholders' (Deficit) Equity
(Accumulated deficit) retained earnings	2,306,203
Current liabilities:
Term Loan	1,287,000,000
Fresh Start Adjustments
Current liabilities:
Deferred income taxes	(10,642,000)
Fresh Start Adjustments, Assets
Property and equipment, net	121,732,000
Goodwill	(135,214,000)
Fresh Start Adjustments, Liabilities and Stockholders' (Deficit) Equity
Term Loan	18,000,000
(Accumulated deficit) retained earnings	(168,649,000)
Predecessor Company
Current assets:
Cash and cash equivalents	108,480,000
Restricted cash	13,720,000
Accounts receivable	215,724,000
Trade receivable	5,221,000
Prepaid expenses and other current assets	49,912,000
Total current assets	393,057,000
Property and equipment, net	193,574,000
Broadcast licenses	1,203,809,000
Other intangible assets	75,056,000
Goodwill	135,214,000
Other assets	18,012,000
Total assets	2,018,722,000
Current liabilities:
Accounts payable and accrued expenses	108,448,000
Total current liabilities	108,448,000
Other liabilities	2,801,000
Total non-current liabilities	2,801,000
Liabilities subject to compromise	2,647,110,000
Total liabilities	2,758,359,000
Stockholder's (deficit) equity:
Predecessor treasury stock	(229,310,000)
Predecessor additional-paid-in-capital	1,626,906,000
(Accumulated deficit) retained earnings	(2,137,554,000)
Total stockholders' (deficit) equity	(739,637,000)
Total liabilities and stockholders’ equity (deficit)	2,018,722,000
Current assets:
Cash and cash equivalents	50,046,000
Restricted cash	38,305,000
Accounts receivable	215,724,000
Trade receivable	5,221,000
Prepaid expenses and other current assets	29,922,000
Total current assets	339,218,000
Property and equipment, net	315,306,000
Broadcast licenses	918,500,000
Other intangible assets	212,458,000
Other assets	18,012,000
Total assets	1,803,494,000
Current liabilities:
Accounts payable and accrued expenses	114,573,000
Current portion of Term Loan	13,000,000
Total current liabilities	127,573,000
Term Loan	1,287,000,000
Other liabilities	24,126,000
Deferred income taxes	39,795,000
Total non-current liabilities	1,350,921,000
Total liabilities	1,478,494,000
Stockholder's (deficit) equity:
Successor additional-paid-in-capital	325,000,000
Total stockholders' (deficit) equity	325,000,000
Total liabilities and stockholders’ equity (deficit)	1,803,494,000
Predecessor Company | Class A common stock
Stockholder's (deficit) equity:
Old common stock (predecessor)	320,000
Predecessor Company | Class C common stock
Stockholder's (deficit) equity:
Old common stock (predecessor)	1,000
Predecessor Company | Fresh Start Adjustments
Current liabilities:
Deferred income taxes	(10,642,000)
Fresh Start Adjustments, Assets
Property and equipment, net	121,732,000
Broadcast licenses	(285,309,000)
Other intangible assets	137,402,000
Goodwill	(135,214,000)
Total assets	(161,389,000)
Fresh Start Adjustments, Liabilities and Stockholders' (Deficit) Equity
Accounts payable and accrued expenses	(128,000)
Total current liabilities	(128,000)
Term Loan	18,017,000
Other liabilities	13,000
Total non-current liabilities	7,388,000
Total liabilities	7,260,000
(Accumulated deficit) retained earnings	(168,649,000)
Total stockholders' (deficit) equity	(168,649,000)
Total liabilities and stockholders’ equity (deficit)	(161,389,000)
Predecessor Company | Reorganization Adjustments
Current assets:
Cash and cash equivalents	(58,434,000)
Restricted cash	24,585,000
Accounts receivable	0
Prepaid expenses and other current assets	(19,990,000)
Total current assets	(53,839,000)
Total assets	(53,839,000)
Current liabilities:
Accounts payable and accrued expenses	6,253,000
Current portion of Term Loan	13,000,000
Total current liabilities	19,253,000
Term Loan	1,268,983,000
Deferred income taxes	50,437,000
Other liabilities	21,312,000
Total non-current liabilities	1,340,732,000
Liabilities subject to compromise	(2,647,110,000)
Total liabilities	(1,287,125,000)
Stockholder's (deficit) equity:
Predecessor treasury stock	229,310,000
Predecessor additional-paid-in-capital	(1,626,906,000)
(Accumulated deficit) retained earnings	2,306,203,000
Total stockholders' (deficit) equity	1,233,286,000
Total liabilities and stockholders’ equity (deficit)	(53,839,000)
Stockholder's (deficit) equity:
Successor additional-paid-in-capital	325,000,000
Predecessor Company | Reorganization Adjustments | Class A common stock
Stockholder's (deficit) equity:
Old common stock (predecessor)	(320,000)
Predecessor Company | Reorganization Adjustments | Class C common stock
Stockholder's (deficit) equity:
Old common stock (predecessor)	$ (1,000)