Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net loss	$ (787,434)	$ (9,031)
Adjustments to reconcile Net loss to Net cash provided by operating activities:
Depreciation	5,683	4,033
Amortization of intangible assets	25,278	24,092
Amortization of unfavorable contracts liability	0	(6,300)
Goodwill and intangible asset impairment	905,885	0
Impairment of non-marketable security	9,447	0
Stock-based compensation	1,971	2,981
Deferred income taxes	(133,064)	(2,570)
Provision for doubtful accounts	1,606	1,055
Amortization of debt issuance costs	556	311
Other, net	75	(9)
Changes in operating assets and liabilities:
Accounts receivable	5,087	12,274
Prepaid expenses	(1,566)	1,847
Other current assets	(218)	886
Other assets	458	(17,208)
Accounts payable	5,133	574
Accrued compensation	(7,682)	(4,075)
Other accrued liabilities	(1,661)	14,087
Other noncurrent liabilities	(662)	15,442
Net cash provided by operating activities	28,892	38,389
Cash flows from investing activities:
Purchase of property and equipment	(5,755)	(3,363)
Other, net	0	(600)
Net cash used in investing activities	(5,755)	(3,963)
Cash flows from financing activities:
Proceeds from revolving loan borrowings	165,000	0
Payments of long-term debt	(13,438)	(10,625)
Stock-based compensation plans, net	(904)	(743)
Repurchases of common stock	0	(20,000)
Other	0	(181)
Net cash provided by (used in) financing activities	150,658	(31,549)
Net increase in cash and cash equivalents	173,795	2,877
Cash and cash equivalents at beginning of period	13,549	25,463
Cash and cash equivalents at end of period	187,344	28,340
Supplemental cash flow information:
Cash paid for income taxes, net of refunds	124	38
Cash paid for interest	$ 6,956	$ 7,413