Supplemental Disclosures of Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2020

Supplemental Cash Flow Elements [Abstract]

Supplemental cash flow information is as follows:


	Six Months Ended June 30,
	2020		2019
	(in thousands)
Cash paid for interest	$	27,635	$	26,689
Cash paid for income taxes	—		—
Cash paid for amounts included in the measurements of lease liabilities:
Cash paid for operating leases	873		595
Non-cash operating activities:
Right-of-use assets obtained in exchange for lease obligations
Operating leases ⁽¹⁾⁽²⁾	777		14,955
Non-cash investing and financing activities:

Accounts payable and accrued liabilities - oil and gas properties	11,746		87,109

Change in asset retirement obligations, net of disposals	(12)		(5,022)
Retirement of treasury stock	(654)		(1,506)
Properties exchanged in non-cash transactions	4,753		4,561

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

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