OTHER NON-CURRENT ASSETS (Tables)

6 Months Ended

Jun. 30, 2019

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of other non-current assets

Other non-current assets consist of the following at the dates indicated (in thousands):

	June 30, 2019		December 31, 2018
Right of use lease assets (see Note 9)	$	145,402	$	—
Debt issuance costs	1,813		2,216
Insurance receivables related to environmental remediation reserves	1,632		2,057
Derivative assets	129		1,003
Other	22,975		35,862
Total other non-current assets	$	171,951	$	41,138