SUPPLEMENTAL INFORMATION FOR STATEMENTS OF CASH FLOWS (Tables)

12 Months Ended

Dec. 31, 2019

Supplemental Cash Flow Elements [Abstract]

Schedule of Supplemental Cash Flow Disclosures

Supplemental cash flow information for the years ended December 31, 2019, 2018 and 2017 was as follows (in thousands):

	2019			2018			2017
Income taxes paid, net of refunds	$	1,255		$	283		$	426
Interest paid to others, excluding capitalized interest	12,693			13,581			15,315
Interest received	(3,374		)	(1,099		)	(760		)
Schedule of non-cash investing and financing activities:
Settlement of accrued contingent liabilities through installment obligations	—			—			386