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SEGMENT INFORMATION - Schedule of Gross Profit by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting Information [Line Items]
Gross profit	$ 181,439	$ 160,022	$ 542,365	$ 498,495
North America
Segment Reporting Information [Line Items]
Gross profit	126,810	109,717	399,380	355,180
International
Segment Reporting Information [Line Items]
Gross profit	54,629	50,305	142,985	143,315
Service | North America
Segment Reporting Information [Line Items]
Gross profit	126,810	98,821	399,212	307,581
Service | International
Segment Reporting Information [Line Items]
Gross profit	53,039	39,247	119,830	106,735
Local | North America
Segment Reporting Information [Line Items]
Gross profit	115,184	87,507	352,431	283,004
Local | International
Segment Reporting Information [Line Items]
Gross profit	43,876	33,687	103,495	93,054
Goods | North America
Segment Reporting Information [Line Items]
Gross profit	7,864	7,440	31,689	14,851
Goods | International
Segment Reporting Information [Line Items]
Gross profit	5,587	2,849	8,892	7,422
Travel | North America
Segment Reporting Information [Line Items]
Gross profit	3,762	3,874	15,092	9,726
Travel | International
Segment Reporting Information [Line Items]
Gross profit	3,576	2,711	7,443	6,259
Product | North America
Segment Reporting Information [Line Items]
Gross profit	0	10,896	168	47,599
Product | International
Segment Reporting Information [Line Items]
Gross profit	$ 1,590	$ 11,058	$ 23,155	$ 36,580

X

- Definition

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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