LONG TERM DEBT (Schedule of Carring Values) (Details) (USD $) - Exchangeable Notes [Member] - USD ($)	Dec. 31, 2018	Dec. 31, 2017	Jan. 31, 2017
Principal	$ 287,500	$ 287,500	$ 287,500
Less: Debt issuance costs, net of amortization	(4,488)	(5,182)
Unamortized discount	(39,335)	(46,190)
Net liability carrying amount	243,677	236,128
Equity component - net carrying value	$ 51,176	$ 51,176

Amount of the total principal payments made during the annual reporting period.

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Amount of unamortized debt discount (premium) and debt issuance costs.

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-Publisher FASB
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Amount, after accumulated amortization, of debt issuance costs related to line of credit arrangements. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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The net carrying amount of the consolidated Variable Interest Entity's assets and liabilities included in the reporting entity's statement of financial position.

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The carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position.

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