COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2015

Commitments and Contingencies Disclosure [Abstract]

Schedule of total rent expense related to operating leases

Rent expense related to operating leases, including rent expense incurred on our behalf and allocated to us, was as follows:

	Year ended December 31,
	2015		2014		2013
	(In thousands)
Rent expense	$	2,395	$	1,881	$	1,616

Schedule of accrued environmental remediation

	Total
	(In thousands)
Accrued environmental remediation, January 1, 2014	$	—
Initial accrual	30,000
Accrued environmental remediation, December 31, 2014	30,000
Payments made by affiliates	(13,136		)
Payments made with proceeds from insurance policies	(25,000		)
Additional accruals	21,800
Accrued environmental remediation, December 31, 2015	$	13,664