CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
Revenues	$ 303,897	$ 151,467	$ 858,369	$ 453,261
Cost of revenue (exclusive of depreciation and amortization of $7,870, $1,071, $18,216, and $3,041, respectively, included below)	178,640	103,678	513,736	313,491
Marketing expenses	46,719	3,373	125,470	10,870
Selling, general and administrative expenses	26,958	7,813	83,810	24,136
Depreciation and amortization	9,700	1,204	22,366	3,461
Restructuring and related charges	281		4,225	124
Operating income	41,599	35,399	108,762	101,179
Interest expense	23,006	1,013	54,334	7,948
Income before income taxes	18,593	34,386	54,428	93,231
Income tax expense	4,673	9,029	18,157	23,856
Income from continuing operations	13,920	25,357	36,271	69,375
Income from discontinued operations, net of tax				901
Net income	$ 13,920	$ 25,357	$ 36,271	$ 70,276
Earnings per share - basic:
Continuing operations	$ 0.29	$ 0.63	$ 0.79	$ 1.74
Discontinued operations				0.02
Net income	0.29	0.63	0.79	1.76
Earnings per share - diluted:
Continuing operations	0.29	0.59	0.78	1.60
Discontinued operations				0.02
Net income	$ 0.29	$ 0.59	$ 0.78	$ 1.63
Comprehensive income	$ 10,081	$ 25,357	$ 20,196	$ 70,276
Weighted average common shares and equivalents:
Basic	47,923	40,010	45,996	39,898
Diluted	48,584	42,827	46,585	43,234