Annual report pursuant to Section 13 and 15(d)

SUPPLEMENTAL INFORMATION FOR STATEMENTS OF CASH FLOWS (Tables)

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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