EQUITY (Changes in the Company's stock compensation liability) (Details) - Agent Growth Incentive Program $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($)
Balance, at beginning of period	$ 277
Estimated stock awards	1,043
Stock awards reclassified from liability to equity	(75)
Balance, at end of period	$ 1,245

Amount of stock compensation attributable to liability classified awards.

No definition available.

Name:	expi_StockCompensationAttributableToLiabilityClassifiedAwards
Namespace Prefix:	expi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration