COMMITMENTS AND CONTINGENCIES (Tables)

3 Months Ended

Mar. 31, 2017

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:

	Three months ended March 31,
	2017		2016
	(In thousands)
Rent expense	$	688	$	616

Schedule of accrued environmental remediation

A rollforward of the aggregate accrued environmental remediation liabilities follows.

	Total
	(In thousands)
Accrued environmental remediation, January 1, 2017	$	9,453
Payments made	(307		)
Accrued environmental remediation, March 31, 2017	$	9,146