Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Net income (loss)	$ 17,478	$ (33,254)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	10,258	8,385
Impairment charge	1,438	39,835
Deferred income taxes	3,699	(7,398)
Non-cash interest	298	332
Amortization of syndication contracts	238	258
Payments on syndication contracts	(239)	(253)
Non-cash stock-based compensation	2,206	1,592
(Gain) loss on disposal of property and equipment		(627)
Changes in assets and liabilities:
(Increase) decrease in accounts receivable	467	19,513
(Increase) decrease in prepaid expenses and other assets	2,909	5,090
Increase (decrease) in accounts payable, accrued expenses and other liabilities	5,633	(14,010)
Net cash provided by operating activities	44,385	19,463
Cash flows from investing activities:
Proceeds from sale of property and equipment and intangibles		3,989
Purchases of property and equipment	(2,836)	(5,676)
Purchases of intangible assets		(158)
Proceeds from marketable securities	17,800	26,860
Net cash provided by (used in) investing activities	14,964	25,015
Cash flows from financing activities:
Proceeds from stock options exercises	172	0
Tax payments related to shares withheld for share-based compensation plans	(458)	(15)
Payments on long-term debt	(1,500)	(1,500)
Dividends paid	(4,259)	(6,322)
Repurchase of Class A common stock		(525)
Payments of capitalized debt costs	(604)
Net cash used in financing activities	(6,649)	(8,362)
Effect of exchange rates on cash, cash equivalents and restricted cash		32
Net increase (decrease) in cash, cash equivalents and restricted cash	52,700	36,148
Cash, cash equivalents and restricted cash:
Beginning	119,911	33,857
Ending	172,611	70,005
Cash payments for:
Interest	3,275	4,372
Income taxes	3,085	467
Supplemental disclosures of non-cash investing and financing activities:
Capital expenditures financed through accounts payable, accrued expenses and other liabilities	$ 956	$ 699