Condensed Consolidated and Combined Statement of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities
Net income	$ 829	$ 17,548
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	11,876	5,758
Share-based compensation expense	6,495	0
Loss on extinguishment of debt	6,933	0
Amortization of debt issue costs	291	74
Deferred income taxes	66	31
Loss on derivative instruments, net	612	914
Net cash received (paid) for derivative settlements	238
Net cash received (paid) for derivative settlements		(365)
Gain on sale of equity securities	0	(823)
Bad debt expense	293	0
Changes in operating assets and liabilities:
Decrease (increase) in accounts receivable	185	(6,146)
Decrease (increase) in other current assets	1,268	(496)
Increase in other deferred charges	0	(427)
Increase (decrease) in accounts payable and accrued liabilities	481	(1,169)
Net cash provided by operating activities	29,567	14,899
Cash flows from investing activities
Acquisitions of oil and gas properties	(81,053)	(105,041)
Additions to other fixed assets	(113)	(334)
Proceeds from sale of oil and gas properties, net	2,001	125
Changes in restricted cash held in escrow for acquisitions	33	(3,953)
Net cash (used in) provided by investing activities	(79,132)	(109,203)
Cash flows from financing activities
Repayments of short-term debt	(4,596)	0
Repayments of long-term debt	(195,404)	0
Borrowings of long-term debt	25,000	43,000
Payment of debt extinguishment fees	(2,090)	0
Proceeds from issuance of Class A common stock sold in initial public offering, net of offering costs	278,541	0
Capital contributions	0	46,011
Loan closing costs	(1,144)	(3)
Net cash provided by (used in) financing activities	100,307	89,008
Increase (decrease) in cash and cash equivalents	50,742	(5,296)
Cash and cash equivalents, beginning of period	31,985	6,886
Cash and cash equivalents, end of period	82,727	1,590
Supplemental disclosure of non-cash activity:
Equity securities distributed	0	4,246
Accrued capital expenditures	1,679	43
Capitalized share-based compensation expense	1,010	0
Increase (decrease) in temporary equity for adjustment to fair value, with offsetting decrease (increase) in additional paid-in capital		0
Supplemental cash flow information:
Cash interest payments	5,490	1,081
Cash paid for taxes	$ 283	$ 84