Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net income (loss)	$ 5,248	$ 163,321
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	12,052	12,460
Cost of revenue - television (spectrum usage rights)		12,131
Deferred income taxes	1,942	99,514
Non-cash interest expense	828	595
Amortization of syndication contracts	526	311
Payments on syndication contracts	(516)	(300)
Equity in net (income) loss of nonconsolidated affiliate	177	175
Non-cash stock-based compensation	3,711	3,149
Changes in assets and liabilities:
(Increase) decrease in accounts receivable	8,578	12,790
(Increase) decrease in prepaid expenses and other assets	(7,210)	(1,830)
Increase (decrease) in accounts payable, accrued expenses and other liabilities	(2,839)	(8,862)
Net cash provided by (used in) operating activities	22,497	293,454
Cash flows from investing activities:
Proceeds from sale of property and equipment and intangible assets	33
Purchases of property and equipment	(12,277)	(9,639)
Purchases of intangible assets	(3,153)	(32,588)
Purchases of businesses, net of cash acquired	(3,522)	(7,489)
Purchases of marketable securities	(159,403)
Proceeds from marketable securities	25,000
Purchases of investments	(970)	(2,200)
Deposits on acquisitions		(1,240)
Net cash provided by (used in) investing activities	(154,292)	(53,156)
Cash flows from financing activities:
Proceeds from stock option exercises	77	11
Tax payments related to shares withheld for share-based compensation plans	(2,239)
Payments on long-term debt	(2,250)	(2,813)
Dividends paid	(13,403)	(10,179)
Repurchase of Class A common stock	(7,660)	(1,778)
Payment of contingent consideration	(2,015)
Net cash provided by (used in) financing activities	(27,490)	(14,759)
Effect of exchange rates on cash, cash equivalents and restricted cash	(11)	17
Net increase (decrease) in cash, cash equivalents and restricted cash	(159,296)	225,556
Cash, cash equivalents and restricted cash:
Beginning	261,854	61,520
Ending	102,558	287,076
Cash payments for:
Interest	10,566	10,489
Income taxes	1,222	671
Supplemental disclosures of non-cash investing and financing activities:
Capital expenditures financed through accounts payable, accrued expenses and other liabilities	950	604
Contingent consideration included in accounts payable, accrued expenses and other liabilities	$ 14,982	$ 18,026