SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) $ in Millions	Jan. 01, 2020 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative-effect adjustment to accumulated deficit	$ (1)
Accumulated Deficit
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative-effect adjustment to accumulated deficit	(1)
Accumulated Deficit | Accounting Standards Update 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative-effect adjustment to accumulated deficit	$ 1