EQUITY EQUITY - Fair Value Measurement Inputs and Valuation Techniques (Details) shares in Thousands, $ in Thousands	Dec. 31, 2019 USD ($) $ / shares shares	Jul. 31, 2019 shares
Colony Capital, Inc.
Schedule of Equity Method Investments [Line Items]
Warrant outstanding (in shares)	200	1,250
Tranche One | Volatility
Schedule of Equity Method Investments [Line Items]
Measurement input	0.8500
Tranche One | Risk-free interest rate
Schedule of Equity Method Investments [Line Items]
Measurement input	0.0180
Tranche One | Dividend yield
Schedule of Equity Method Investments [Line Items]
Measurement input	0
Tranche One | Expected term (in years)
Schedule of Equity Method Investments [Line Items]
Expected term	5 years 2 months 8 days
Tranche One | Fair value of underlying common stock
Schedule of Equity Method Investments [Line Items]
Measurement input | $ / shares	7.59
Tranche One | Colony Capital, Inc.
Schedule of Equity Method Investments [Line Items]
Warrant outstanding (in shares)	200
Tranche value | $	$ 1,518
Tranche Two | Volatility
Schedule of Equity Method Investments [Line Items]
Measurement input	0.8500
Tranche Two | Risk-free interest rate
Schedule of Equity Method Investments [Line Items]
Measurement input	0.0180
Tranche Two | Dividend yield
Schedule of Equity Method Investments [Line Items]
Measurement input	0
Tranche Two | Expected term (in years)
Schedule of Equity Method Investments [Line Items]
Expected term	5 years 5 months 12 days
Tranche Two | Fair value of underlying common stock
Schedule of Equity Method Investments [Line Items]
Measurement input | $ / shares	7.84
Tranche Two | Colony Capital, Inc.
Schedule of Equity Method Investments [Line Items]
Warrant outstanding (in shares)	200
Tranche value | $	$ 1,568