Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net income (loss)	$ (33,254)	$ (14,855)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	8,385	8,222
Impairment charge	39,835	22,368
Deferred income taxes	(7,398)	1,472
Non-cash interest	332	489
Amortization of syndication contracts	258	249
Payments on syndication contracts	(253)	(227)
Equity in net (income) loss of nonconsolidated affiliate		158
Non-cash stock-based compensation	1,592	1,635
(Gain) loss on disposal of property and equipment	(627)	161
Changes in assets and liabilities:
(Increase) decrease in accounts receivable	19,513	9,619
(Increase) decrease in prepaid expenses and other assets	5,090	2,680
Increase (decrease) in accounts payable, accrued expenses and other liabilities	(14,010)	(12,301)
Net cash provided by operating activities	19,463	19,670
Cash flows from investing activities:
Proceeds from sale of property and equipment and intangibles	3,989
Purchases of property and equipment	(5,676)	(13,982)
Purchases of intangible assets	(158)
Purchases of marketable securities		(1,160)
Proceeds from marketable securities	26,860	21,681
Purchases of investments		(300)
Net cash provided by (used in) investing activities	25,015	6,239
Cash flows from financing activities:
Tax payments related to shares withheld for share-based compensation plans	(15)	(751)
Payments on long-term debt	(1,500)	(1,500)
Dividends paid	(6,322)	(8,540)
Repurchase of Class A common stock	(525)	(9,008)
Payments of capitalized debt costs		(225)
Net cash used in financing activities	(8,362)	(20,024)
Effect of exchange rates on cash, cash equivalents and restricted cash	32	13
Net increase (decrease) in cash, cash equivalents and restricted cash	36,148	5,898
Cash, cash equivalents and restricted cash:
Beginning	33,857	47,465
Ending	70,005	53,363
Cash payments for:
Interest	4,372	6,555
Income taxes	467	1,873
Supplemental disclosures of non-cash investing and financing activities:
Capital expenditures financed through accounts payable, accrued expenses and other liabilities	699	1,530
Contingent consideration included in accounts payable, accrued expenses and other liabilities	$ 1,641	$ 5,743