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EQUITY (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended						9 Months Ended		12 Months Ended
	Jul. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Common stock issued		72,321,867						72,321,867		66,199,308
Common stock outstanding		69,952,115						69,952,115		65,273,944
Stock issued for services, value		$ 19,929	$ 10,503	$ 8,794	$ 11,110	$ 10,234	$ 6,210
Stock based compensation								$ 4,179	$ 4,106
Stock Options
Granted		1,117,708						1,516,751
Grant date fair value		$ 21.39						$ 18.32
Two Grants Each [Member] \| Chief Executive Officer and Chairman of the Board of the Company [Member]
Granted	500,000
Vesting description	The Board-approved compensation package is composed of two option grants, each for 500,000 options. One of the 500,000 option grants for common stock in eXp subject to the terms of the Company’s 2015 Equity Incentive Plan, as amended, that shall vest monthly over three years. An additional 500,000 options to be granted subject to the terms of the Company’s 2015 Equity Incentive Plan, as amended, vesting quarterly over three years subject to certain performance metrics.
2015 Agent Equity Program \| Stock Options \| Share-based Payment Arrangement, Tranche One [Member] \| Chief Executive Officer and Chairman of the Board of the Company [Member]
Granted	500,000
Vesting period	3 years
2015 Agent Equity Program \| Stock Options \| Share-based Payment Arrangement, Tranche Two [Member] \| Chief Executive Officer and Chairman of the Board of the Company [Member]
Granted	500,000
Vesting period	3 years
Agent Equity Award Program
Percentage of commission potentially redeemed in common stock								5.00%
Percentage of discount of market price, date of issuance								10.00%		20.00%
Stock issued for services, shares		620,797			1,252,540			2,465,645	2,808,004
Stock issued for services, value		$ 19,929			$ 11,110			$ 39,226	$ 27,554
Agent Growth Incentive Program
Stock based compensation		3,711						10,476
Estimated stock awards year to date		$ 731						$ 2,256