Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2020

Accrued Liabilities [Abstract]

Accrued Liabilities [Table Text Block]

Accrued liabilities consisted of:

	June 30, 2020		December 31, 2019
	(In thousands)
Employee costs	$	7,016	$	17,832
Lease operating expenses	6,651		9,200
Taxes	6,343		3,450
Third-party credits	2,167		3,691
Derivative settlements	1,323		—
Interest payable	760		6,562
Other	7,124		5,827
Total accrued liabilities	$	31,384	$	46,562