Other Accrued Expenses and Other Liabilities (Tables)

9 Months Ended

Sep. 30, 2020

Accrued Liabilities and Other Liabilities [Abstract]

Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]

The following table presents the components of other accrued expenses as of:

	September 30, 2020		December 31, 2019
	(in thousands)
Employee benefits	$	19,833	$	21,611
Asset retirement obligations	30,348		32,200
Environmental expenses	11,988		2,256
Operating and finance leases	8,809		5,926
Other	10,914		8,469
Other accrued expenses	$	81,892	$	70,462

Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Noncurrent [Text Block]

The following table presents the components of other liabilities as of:

	September 30, 2020		December 31, 2019
	(in thousands)
Production taxes	$	46,500	$	68,020
Deferred oil gathering credits	18,593		20,100
Deferred midstream gathering credits	170,508		175,897
Operating and finance leases	12,494		15,779
Other	2,440		3,337
Other liabilities	$	250,535	$	283,133

Deferred Midstream Gathering Credits

The following table presents the amortization charges recognized in the condensed consolidated statements of operations for the periods indicated:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
	(in thousands)
Crude oil, natural gas and NGL sales (1)	$	—	$	201	$	368	$	259
Transportation, gathering and processing expenses	1,535		711		2,991		914
Lease operating expenses	686		373		1,458		557