SIGNIFICANT ACCOUNTING POLICIES Narrative (Details) - USD ($)	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings (deficit)	$ (69,099,000)	$ (30,063,000)
Provision for uncollectible losses recoverable	89,000	0
Accrued interest	100,000	100,000
Deposit contracts, assets	5,300,000	5,200,000
Deposit contracts, liabilities	$ 35,200,000	56,900,000
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201613Member
Cumulative Effect Period Of Adoption Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings (deficit)	$ 100,000
Provision for uncollectible losses recoverable	$ 100,000
Cumulative Effect Period Of Adoption Adjustment | Accounting Standards Update 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings (deficit)		$ 900,000