CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Revenues		$ 126,289	$ 95,481	$ 354,444	$ 337,096
Cost of revenue (exclusive of depreciation of $2,602, $2,505, $7,728 and $6,576, respectively included below)		74,509	47,594	200,434	196,546
Marketing expense		1,356	935	3,983	8,999
Selling, general and administrative expenses		10,639	9,688	29,986	30,645
Depreciation expense		2,756	2,662	8,179	7,102
Restructuring and related charges			1,107		2,416
Operating income		37,029	33,495	111,862	91,388
Interest expense		7,352	10,258	27,508	32,782
Loss on extinguishment and modification of debt				19,027
Other (income) expense, net		(82,947)		(83,818)
Total non-operating (income) expense, net		(75,595)	10,258	(37,283)	32,782
Income before income taxes		112,624	23,237	149,145	58,606
Income tax expense		8,925	6,486	16,731	16,379
Income from continuing operations		103,699	16,751	132,414	42,227
Loss from discontinued operations, net of income tax benefit of $320, $4,243, $739 and $23,174, respectively		(932)	(59,168)	(2,154)	(254,240)
Net income (loss)		$ 102,767	$ (42,417)	$ 130,260	$ (212,013)
Earnings (loss) per share - basic:
Continuing operations		$ 2.09	$ 0.34	$ 2.68	$ 0.87
Discontinued operations		(0.02)	(1.21)	(0.04)	(5.22)
Net income (loss)	[1]	2.07	(0.87)	2.63	(4.35)
Earnings (loss) per share - diluted:
Continuing operations		2.06	0.34	2.63	0.86
Discontinued operations		(0.02)	(1.20)	(0.04)	(5.19)
Net income (loss)	[1]	$ 2.04	$ (0.86)	$ 2.58	$ (4.33)
Comprehensive income (loss)		$ 104,243	$ (39,570)	$ 135,963	$ (230,140)
Weighted average common shares and equivalents:
Basic		49,732	48,783	49,490	48,702
Diluted		50,360	49,401	50,401	49,017

[1] Figures may not add due to rounding.