PROPERTY, EQUIPMENT AND LEASED ASSETS - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Cost	$ 282,271		$ 282,271		$ 292,598
Accumulated Depreciation	171,178		171,178		176,310
Net Book Value	111,093		111,093		116,288
Depreciation	15,258	$ 13,701	30,047	$ 26,526
FinTech
Property, Plant and Equipment [Line Items]
Depreciation	1,769	1,589	3,184	3,274
Games
Property, Plant and Equipment [Line Items]
Depreciation	13,489	$ 12,112	26,863	$ 23,252
Rental pool - deployed
Property, Plant and Equipment [Line Items]
Cost					183,309
Accumulated Depreciation					105,038
Net Book Value	76,605		$ 76,605		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	25,994		$ 25,994		23,825
Accumulated Depreciation	17,283		17,283		14,680
Net Book Value	8,711		$ 8,711		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	11,699		$ 11,699		11,857
Accumulated Depreciation	7,397		7,397		6,938
Net Book Value	4,302		4,302		4,919
Machinery, office, and other equipment
Property, Plant and Equipment [Line Items]
Cost	43,320		43,320		46,322
Accumulated Depreciation	27,436		27,436		28,654
Net Book Value	15,884		15,884		17,668
Machinery, office, and other equipment | FinTech
Property, Plant and Equipment [Line Items]
Cost	26,747		26,747		27,285
Accumulated Depreciation	21,156		21,156		21,000
Net Book Value	$ 5,591		$ 5,591		$ 6,285
Machinery, office, and other equipment | Minimum
Property, Plant and Equipment [Line Items]
Useful Life (Years)			2 years
Machinery, office, and other equipment | Minimum | FinTech
Property, Plant and Equipment [Line Items]
Useful Life (Years)			3 years
Machinery, office, and other equipment | Maximum
Property, Plant and Equipment [Line Items]
Useful Life (Years)			5 years
Machinery, office, and other equipment | Maximum | FinTech
Property, Plant and Equipment [Line Items]
Useful Life (Years)			5 years