SIGNIFICANT ACCOUNTING POLICIES Narrative (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Jan. 01, 2020	Dec. 31, 2019	Mar. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings (deficit)	$ (71,219)		$ (30,063)
Provision for uncollectible losses recoverable	89			$ 0
Accrued interest	900		100
Deposit contracts, assets	5,600		5,200
Deposit contracts, liabilities	56,600		$ 56,900
Cumulative Effect Period Of Adoption Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings (deficit)	100
Provision for uncollectible losses recoverable	$ 100
Cumulative Effect Period Of Adoption Adjustment | Accounting Standards Update 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings (deficit)		$ 900