SUMMARY OF SIGNIFICANT ACCOUNTING AND BUSINESS POLICIES, Debt Issuance Cost Amortization (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Debt Issuance Cost Amortization [Abstract]
Total unamortized debt issuance costs	$ 10,073		$ 10,073	$ 992
Write off of debt issuance costs	$ 600	$ 600	$ 578	$ 0	$ 0