XML 32 R14.htm IDEA: XBRL DOCUMENT v3.10.0.1
Accrued Liabilities
 12 Months Ended
Dec. 31, 2018
Accrued Liabilities [Abstract]  
Accrued Liabilities ACCRUED LIABILITIES
Accrued liabilities consisted of the following as of December 31:
20182017
 (In thousands)
Employee costs$22,056 $19,521 
Lease operating expenses12,756 11,819 
Interest payable6,635 6,745 
Third-party credits2,129 2,240 
Taxes1,378 3,404 
Other4,710 4,794 
Total accrued liabilities$49,664 $48,523