FINANCE RECEIVABLES - Past Due Finance Receivables (Details) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 119,100,000	$ 155,300,000
Noncurrent past due	13,300,000	10,900,000
Total finance receivables	132,400,000	166,200,000
31-60 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Noncurrent past due	200,000	2,400,000
61-90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Noncurrent past due	1,500,000	400,000
Greater than 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Noncurrent past due	11,600,000	8,100,000
Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	105,900,000	135,100,000
Noncurrent past due	11,900,000	10,600,000
Total finance receivables	117,800,000	145,700,000
Non-accrual status	33,000,000.0	27,100,000
Commercial loans \| 31-60 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Noncurrent past due	200,000	2,400,000
Commercial loans \| 61-90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Noncurrent past due	300,000	100,000
Commercial loans \| Greater than 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Noncurrent past due	11,400,000	8,100,000
Sales-type leases
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	13,200,000	20,200,000
Noncurrent past due	1,400,000	300,000
Total finance receivables	14,600,000	20,500,000
Non-accrual status	2,400,000	300,000
Sales-type leases \| 31-60 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Noncurrent past due	0	0
Sales-type leases \| 61-90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Noncurrent past due	1,200,000	300,000
Sales-type leases \| Greater than 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Noncurrent past due	$ 200,000	$ 0

Amount of financing receivable not past due.

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Amount of financing receivable on nonaccrual status.

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Amount of financing receivable past due.

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