Corporate expenses.

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- Definition

Percentage change in cost of revenue.

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Percentage change in depreciation and amortization.

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Percentage change in direct operating costs.

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Percentage change in expenses.

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- Definition

Percentage change in net revenue.

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- Definition

Percentage change in operating income (loss).

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- Definition

Percentage change in operating profit loss.

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- Definition

Percentage change in selling, general and administrative expenses.

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No definition available.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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The aggregate cost of goods produced and sold and services rendered during the reporting period.

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- Definition

The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

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The aggregate direct operating costs incurred during the reporting period.

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The net result for the period of deducting operating expenses from operating revenues.

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No definition available.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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Segment Data - Separate Financial Data for Each of Company's Operating Segment (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Net revenue	$ 70,291	$ 65,281	$ 64,829	$ 58,113	$ 65,432	$ 69,261	$ 59,891	$ 59,550	$ 258,514	$ 254,134	$ 242,038
Cost of revenue - digital media									9,536	7,242	2,993
Direct operating expenses									113,439	110,323	104,874
Selling, general and administrative expenses									46,798	42,815	37,806
Depreciation and amortization									15,342	15,989	14,663
Operating income (loss)									48,856	55,245	59,666
Corporate expenses									24,543	22,520	21,301
Impairment charge											735
Capital expenditures									9,308	13,548	9,111
Total assets	517,921				524,962				$ 517,921	$ 524,962	527,767
Percentage change in net revenue									2.00%	5.00%
Percentage change in direct operating expenses									3.00%	5.00%
Percentage change in selling, general and administrative expenses									9.00%	13.00%
Percentage change in depreciation and amortization									(4.00%)	9.00%
Percentage change in segment operating profit (loss)									(6.00%)	(5.00%)
Percentage change in corporate expenses									9.00%	6.00%
Percentage change in operating income (loss)									(12.00%)	(7.00%)
Operating Segments
Segment Reporting Information [Line Items]
Operating income (loss)									$ 73,399	$ 77,765	81,702
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Corporate expenses									24,543	22,520	21,301
Television
Segment Reporting Information [Line Items]
Net revenue									159,523	159,081	165,472
Direct operating expenses									62,020	60,125	61,162
Selling, general and administrative expenses									21,591	20,541	19,685
Depreciation and amortization									10,659	11,569	10,680
Capital expenditures									5,744	7,631	6,084
Total assets	363,852				367,869				$ 363,852	$ 367,869	380,775
Percentage change in net revenue									0.00%	(4.00%)
Percentage change in direct operating expenses									3.00%	(2.00%)
Percentage change in selling, general and administrative expenses									5.00%	4.00%
Percentage change in depreciation and amortization									(8.00%)	8.00%
Percentage change in segment operating profit (loss)									(2.00%)	(10.00%)
Television \| Operating Segments
Segment Reporting Information [Line Items]
Operating income (loss)									$ 65,253	$ 66,846	73,945
Radio
Segment Reporting Information [Line Items]
Net revenue									75,847	76,161	69,922
Direct operating expenses									44,949	43,351	41,349
Selling, general and administrative expenses									20,441	18,619	16,773
Depreciation and amortization									3,269	3,224	3,391
Capital expenditures									3,287	5,532	2,995
Total assets	129,825				132,395				$ 129,825	$ 132,395	124,050
Percentage change in net revenue									0.00%	9.00%
Percentage change in direct operating expenses									4.00%	5.00%
Percentage change in selling, general and administrative expenses									10.00%	11.00%
Percentage change in depreciation and amortization									1.00%	(5.00%)
Percentage change in segment operating profit (loss)									(34.00%)	30.00%
Radio \| Operating Segments
Segment Reporting Information [Line Items]
Operating income (loss)									$ 7,188	$ 10,967	8,409
Digital
Segment Reporting Information [Line Items]
Net revenue									23,144	18,892	6,644
Cost of revenue - digital media									9,536	7,242	2,993
Direct operating expenses									6,470	6,847	2,363
Selling, general and administrative expenses									4,766	3,655	1,348
Depreciation and amortization									1,414	1,196	592
Capital expenditures									277	385	32
Total assets	$ 24,244				$ 24,698				$ 24,244	$ 24,698	22,942
Percentage change in net revenue									23.00%	184.00%
Percentage change in cost of revenue									32.00%	142.00%
Percentage change in direct operating expenses									(6.00%)	190.00%
Percentage change in selling, general and administrative expenses									30.00%	171.00%
Percentage change in depreciation and amortization									18.00%	102.00%
Percentage change in segment operating profit (loss)										(93.00%)
Digital \| Operating Segments
Segment Reporting Information [Line Items]
Operating income (loss)									$ 958	$ (48)	$ (652)