Supplemental Disclosures of Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2020

Supplemental Cash Flow Elements [Abstract]

Supplemental cash flow information is as follows:


	Nine Months Ended September 30,
	2020		2019
	(in thousands)
Cash paid for interest	$	29,357	$	29,168
Cash paid for income taxes	—		—
Cash paid for amounts included in the measurements of lease liabilities:
Cash paid for operating leases	1,555		970
Non-cash operating activities:
Right-of-use assets obtained in exchange for lease obligations
Operating leases (1)(2)	853		14,955
Non-cash investing and financing activities:

Accounts payable and accrued liabilities - oil and gas properties	5,907		44,970

Change in asset retirement obligations, net of disposals	(486)		(5,443)
Retirement of treasury stock	(668)		(1,725)
Properties exchanged in non-cash transactions	4,753		4,561

(1)Excludes the reclassifications of lease incentives and deferred rent balances.

(2)The nine months ended September 30, 2019 included $14.0 million of right-of-use assets established with the adoption of ASC 842, Leases, effective January 1, 2019.