CONSOLIDATED AND COMBINED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities:
Net earnings (loss)	$ 35,314	$ 77,507	$ (104,527)
Adjustments to reconcile net earnings (loss) to net cash provided by operating activities:
Stock-based compensation expense	68,255	97,078	149,230
Amortization of intangibles	55,482	62,212	23,261
Bad debt expense	64,278	47,242	27,514
Depreciation	39,915	24,310	14,543
Deferred income taxes	(3,250)	(8,368)	(48,350)
Loss (gain) from the sale of a business	218	(13,237)	0
Other adjustments, net	7,987	(519)	(911)
Changes in assets and liabilities, net of effects of acquisitions and dispositions:
Accounts receivable	(78,954)	(47,686)	(33,179)
Other assets	13,382	(12,959)	4,523
Accounts payable and other liabilities	13,627	(576)	778
Income taxes payable and receivable	1,650	725	(2,054)
Deferred revenue	(3,743)	(2,029)	10,995
Net cash provided by operating activities	214,161	223,700	41,823
Cash flows from investing activities:
Acquisitions, net of cash acquired	(20,341)	3,669	(66,340)
Capital expenditures	(68,804)	(46,976)	(26,837)
Proceeds from maturities of marketable debt securities	25,000	35,000
Purchases of marketable debt securities	0	(59,671)	0
Net proceeds from the sale of a business	23,615	0	0
Proceeds from sale of fixed assets		10,412
Other, net	(103)	(25)
Net cash used in investing activities	(40,633)	(57,591)	(93,177)
Cash flows from financing activities:
Borrowings under term loan	0	0	275,000
Principal payments on term loan	(13,750)	(13,750)	0
Debt issuance costs	0	(2,168)	(3,013)
Proceeds from issuance of related party debt	0	0	131,360
Principal payments on related party debt	(1,008)	(1,904)	(181,580)
Purchase of treasury stock	(56,905)	0	0
Proceeds from the exercise of stock options	573	4,693	1,653
Withholding taxes paid on behalf of employees on net settled stock-based awards	(35,284)	(29,844)	(10,113)
Transfers from IAC for periods prior to the Combination	0	0	24,178
Distribution to IAC pursuant to tax sharing agreement	(11,355)	0	0
Purchase of noncontrolling interests	(71)	(6,061)	(12,789)
Other, net	(3,732)	13	37
Net cash (used in) provided by financing activities	(121,532)	(49,021)	224,733
Total cash provided	51,996	117,088	173,379
Effect of exchange rate changes on cash and cash equivalents and restricted cash	661	212	1,217
Net increase in cash and cash equivalents and restricted cash	52,657	117,300	174,596
Cash and cash equivalents and restricted cash at beginning of period	338,821	221,521	46,925
Cash and cash equivalents and restricted cash at end of period	$ 391,478	$ 338,821	$ 221,521