CONSOLIDATED AND COMBINED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Cash flows from operating activities:
Net (loss) earnings	$ (104,527)	$ 10,631	$ (3,996)
Adjustments to reconcile net (loss) earnings to net cash provided by operating activities:
Stock-based compensation expense	149,230	8,916	7,853
Amortization of intangibles	23,261	3,153	3,835
Bad debt expense	27,514	17,425	13,234
Depreciation	14,543	8,419	6,593
Deferred income taxes	(48,350)	(3,719)	(3,469)
Other adjustments, net	(911)	1,142	874
Changes in assets and liabilities, net of effects of acquisitions:
Accounts receivable	(33,179)	(23,862)	(16,202)
Other current assets	4,523	(2,972)	(1,823)
Accounts payable and other current liabilities	778	14,936	1,339
Income taxes payable and receivable	(2,054)	6,932	2,459
Deferred revenue	10,995	6,895	7,188
Net cash provided by operating activities	41,823	47,896	17,885
Cash flows from investing activities:
Acquisitions, net of cash acquired	(66,340)	(15,649)	0
Capital expenditures	(26,837)	(16,660)	(10,170)
Net cash used in investing activities	(93,177)	(32,309)	(10,170)
Cash flows from financing activities:
Borrowing under term loan	275,000	0	0
Debt issuance costs	(3,013)	0	0
Proceeds from issuance of related party debt	131,360	44,838	0
Principal payments on related party debt	(181,580)	(11,350)	0
Proceeds from the exercise of stock options	1,653	0	0
Withholding taxes paid on behalf of employees on net settled stock-based awards	(10,113)	0	0
Funds returned from (held in) escrow for MyHammer tender offer	10,604	(10,548)	0
Transfers from (to) IAC/InterActiveCorp for periods prior to the Combination	24,178	(4,305)	(9,525)
Purchase of noncontrolling interests	(12,789)	(209)	0
Other, net	37		9
Net cash provided by (used in) financing activities	235,337	18,426	(9,516)
Total cash provided (used)	183,983	34,013	(1,801)
Effect of exchange rate changes on cash and cash equivalents	1,161	(98)	(322)
Net increase (decrease) in cash and cash equivalents	185,144	33,915	(2,123)
Cash and cash equivalents at beginning of period	36,377	2,462	4,585
Cash and cash equivalents at end of period	$ 221,521	$ 36,377	$ 2,462