Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net income (loss)	$ 10,354	$ 17,478
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	12,658	10,258
Impairment charge		1,438
Deferred income taxes	(3,213)	3,699
Non-cash interest	711	298
Amortization of syndication contracts	231	238
Payments on syndication contracts	(234)	(239)
Non-cash stock-based compensation	5,209	2,206
(Gain) loss on disposal of property and equipment	(638)
Change in fair value of contingent consideration	6,076
Changes in assets and liabilities:
(Increase) decrease in accounts receivable	17,588	467
(Increase) decrease in prepaid expenses and other assets	(1,252)	2,909
Increase (decrease) in accounts payable, accrued expenses and other liabilities	15,416	5,633
Net cash provided by operating activities	62,906	44,385
Cash flows from investing activities:
Proceeds from sale of property and equipment and intangibles	2,671
Purchases of property and equipment	(3,209)	(2,836)
Purchases of marketable securities	(87,239)
Proceeds from marketable securities	10,499	17,800
Net cash provided by (used in) investing activities	(77,278)	14,964
Cash flows from financing activities:
Proceeds from stock option exercises	218	172
Tax payments related to shares withheld for share-based compensation plans	(267)	(458)
Payments on long-term debt	(1,500)	(1,500)
Dividends paid	(4,291)	(4,259)
Repurchase of Class A common stock	(11,280)
Payment of contingent consideration	(43,606)
Pricipal payments under finance lease obligation	(39)
Payments of capitalized debt costs		(604)
Net cash used in financing activities	(60,765)	(6,649)
Effect of exchange rates on cash, cash equivalents and restricted cash	(6)
Net increase (decrease) in cash, cash equivalents and restricted cash	(75,143)	52,700
Cash, cash equivalents and restricted cash:
Beginning	185,843	119,911
Ending	110,700	172,611
Cash payments for:
Interest	3,459	3,275
Income taxes	7,438	3,085
Supplemental disclosures of non-cash investing and financing activities:
Capital expenditures financed through accounts payable, accrued expenses and other liabilities	$ 1,150	$ 956