ACQUISITIONS (Narrative) (Details) £ / shares in Units, $ / shares in Units, £ in Millions, shares in Millions				1 Months Ended
	Apr. 21, 2024 USD ($) $ / shares shares	Dec. 12, 2023 GBP (£) £ / shares	Dec. 12, 2023 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 GBP (£)	Dec. 31, 2023 USD ($)
Business Acquisition [Line Items]
Potential merger termination fee	$ 85,000,000
OnTheMarket
Business Acquisition [Line Items]
Share price (in pound per share) | £ / shares		£ 1.10
Payment for acquisition		£ 94.0	$ 117,900,000
Liabilities incurred		2.0	2,600,000
Aggregate purchase price		£ 96.0	$ 120,400,000
Consideration payable					£ 4.0	$ 5,100,000
Goodwill, expected tax deductible amount						0
Transaction costs						$ 11,000,000
OnTheMarket | North America
Business Acquisition [Line Items]
Goodwill acquired				$ 62,800,000
Matterport
Business Acquisition [Line Items]
Payment for acquisition	$ 940,000,000
Merger agreement, surviving corporation threshold percentage immediately following first merger	40.00%
Merger exchange ratio, cash per share (in dollars per share) | $ / shares	$ 2.75
Equity interest issued for acquisition (in shares) | shares	11.2