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Aggregate dividends declared during the period for each share of common stock outstanding.

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Amount of contribution received by defined benefit plan from employer which increases plan assets.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent Events - Additional Information (Details) - USD ($)					3 Months Ended		9 Months Ended
	Oct. 30, 2020	Oct. 21, 2020	Oct. 19, 2020	Oct. 09, 2020	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Subsequent Event [Line Items]
Dividends declared per common share					$ 0.56	$ 0.45	$ 1.68	$ 1.35
Subsequent Event [Member]
Subsequent Event [Line Items]
Prepayment of principal balance under term loan	$ 300,000,000.0
Subsequent Event [Member] \| Class A Common Stock [Member]
Subsequent Event [Line Items]
Dividends declared per common share		$ 0.56
Dividends, date declared		Oct. 21, 2020
Dividends, date payable		Nov. 20, 2020
Dividends, date of record		Nov. 06, 2020
Qualified Pension Plans [Member]
Subsequent Event [Line Items]
Defined benefit plan, expected contributions during reminder of fiscal year					$ 0		$ 0
Tribune [Member] \| Qualified Pension Plans [Member]
Subsequent Event [Line Items]
Contributions to qualified pension plan by Company					$ 0	$ 0	$ 5,700,000	$ 0
Tribune [Member] \| Qualified Pension Plans [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Contributions to qualified pension plan by Company				$ 34,800,000
VENN [Member] \| Subsequent Event [Member] \| Series A Preferred Stock [Member]
Subsequent Event [Line Items]
Number of shares issued to acquisition			2,927,522
Cash consideration			$ 7,000,000.0