PROPERTY, EQUIPMENT AND LEASED ASSETS - Schedule (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Cost	$ 319,094	$ 292,598
Accumulated Depreciation	190,225	176,310
Net Book Value	$ 128,869	116,288
Minimum
Property, Plant and Equipment [Line Items]
Useful Life (Years)	2 years
Maximum
Property, Plant and Equipment [Line Items]
Useful Life (Years)	5 years
Rental pool - deployed
Property, Plant and Equipment [Line Items]
Cost	$ 196,571	183,309
Accumulated Depreciation	106,888	105,038
Net Book Value	$ 89,683	78,271
Rental pool - deployed \| Minimum
Property, Plant and Equipment [Line Items]
Useful Life (Years)	2 years
Rental pool - deployed \| Maximum
Property, Plant and Equipment [Line Items]
Useful Life (Years)	4 years
Rental pool - undeployed
Property, Plant and Equipment [Line Items]
Cost	$ 31,901	23,825
Accumulated Depreciation	22,970	14,680
Net Book Value	$ 8,931	9,145
Rental pool - undeployed \| Minimum
Property, Plant and Equipment [Line Items]
Useful Life (Years)	2 years
Rental pool - undeployed \| Maximum
Property, Plant and Equipment [Line Items]
Useful Life (Years)	4 years
Leasehold and building improvements
Property, Plant and Equipment [Line Items]
Cost	$ 11,815	11,857
Accumulated Depreciation	8,150	6,938
Net Book Value	3,665	4,919
Machinery, office and other equipment
Property, Plant and Equipment [Line Items]
Cost	48,860	46,322
Accumulated Depreciation	30,103	28,654
Net Book Value	$ 18,757	17,668
Machinery, office and other equipment \| Minimum
Property, Plant and Equipment [Line Items]
Useful Life (Years)	2 years
Machinery, office and other equipment \| Maximum
Property, Plant and Equipment [Line Items]
Useful Life (Years)	5 years
FinTech \| Machinery, office and other equipment
Property, Plant and Equipment [Line Items]
Cost	$ 29,947	27,285
Accumulated Depreciation	22,114	21,000
Net Book Value	$ 7,833	$ 6,285
FinTech \| Machinery, office and other equipment \| Minimum
Property, Plant and Equipment [Line Items]
Useful Life (Years)	3 years
FinTech \| Machinery, office and other equipment \| Maximum
Property, Plant and Equipment [Line Items]
Useful Life (Years)	5 years

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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