CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating Activities:
Net Income (Loss)	$ (1,015,639)	$ (96,229)
Adjustments to reconcile to net cash provided by operations:
Depreciation, depletion and amortization	74,925	72,610
Deferred income taxes	(95,280)	(29,711)
Impairment and abandonment expense	1,265,426	322
Commodity derivative (gain) loss	(192,188)	105,191
Settlements of commodity derivatives	28,836	4,649
Stock compensation and other non-cash charges	765	4,318
Amortization of deferred financing costs	640	640
(Gain) loss on sale of properties	0	(5)
Change in operating assets and liabilities:
Accounts receivable	8,524	15,470
Prepayments and other assets	927	(72)
Accounts payable, accrued and other liabilities	(3,203)	7,304
Amounts payable to oil and gas property owners	6,082	(10,906)
Production taxes payable	(3,052)	4,102
Net cash provided by (used in) operating activities	76,763	77,683
Investing Activities:
Additions to oil and gas properties, including acquisitions	(39,210)	(130,862)
Additions of furniture, equipment and other	(474)	(1,309)
Other investing activities	3,310	(273)
Net cash provided by (used in) investing activities	(36,374)	(132,444)
Financing Activities:
Proceeds from debt	15,000	70,000
Principal payments on debt	(60,000)	(1,859)
Other financing activities	(635)	(1,496)
Net cash provided by (used in) financing activities	(45,635)	66,645
Increase (Decrease) in Cash and Cash Equivalents	(5,246)	11,884
Beginning Cash and Cash Equivalents	16,449	32,774
Ending Cash and Cash Equivalents	$ 11,203	$ 44,658