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SUBSEQUENT EVENTS	3 Months Ended
SUBSEQUENT EVENTS	Mar. 31, 2019
Subsequent Events [Abstract]
SUBSEQUENT EVENTS	SUBSEQUENT EVENTS On October 12, 2018, the Company acquired all of the issued share capital of Realla Ltd., the operator of a commercial property listings and data management platform in the U.K., including a free-to-list search engine for commercial property listings. The determination of the final purchase price is subject to customary working capital and other post-closing adjustments.