COMMITMENTS AND CONTINGENCIES Revolving Credit Facility (Details) - Bank of Nova Scotia [Member] - Revolving Credit Facility [Member]	12 Months Ended
	Dec. 31, 2017 USD ($)
Line of Credit Facility [Line Items]
Facility	$ 50,000,000
Line of Credit Facility, Current Borrowing Capacity	$ 25,000,000
Line of Credit Facility, Interest Rate at Period End	2.47%
Line of Credit Facility, Collateral	37700
Interest Expense	$ 14,000