STOCKHOLDERS’ EQUITY - Narrative (Details) - USD ($)		3 Months Ended
	Feb. 06, 2020	Mar. 31, 2020	Mar. 31, 2019	Feb. 28, 2020	Dec. 31, 2019	May 29, 2019
Class of Stock [Line Items]
Common stock, shares authorized (in shares)		400,000,000			400,000,000
Common stock, par value (usd per share)		$ 0.00001			$ 0.00001
Preferred stock, shares authorized (in shares)		50,000,000			50,000,000	50,000,000
Preferred stock, par value (usd per share)		$ 0.00001			$ 0.00001	$ 0.00001
Stock repurchase program, authorized amount				$ 100,000,000.0
Repurchase of common stock (in shares)		5,436,479	4,376,879
Class A Common Stock
Class of Stock [Line Items]
Common stock, shares authorized (in shares)						400,000,000
Common stock, par value (usd per share)						$ 0.00001
WLH
Class of Stock [Line Items]
Warrants outstanding (in shares)		$ 1,700,000
Warrant exercise price (usd per share)		$ 19.12
Issuance of common stock for acquisition (in shares)	30,600,000
WLH | Class B Common Stock
Class of Stock [Line Items]
Common stock, par value (usd per share)	$ 0.01