Consolidated Statements Of Cash Flows $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($)
Cash flow from operating activities:
Net income	$ 128,907
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Gain on sale of assets	(41,382)
Unrealized (gain) loss on commodity derivative instruments	1,151
Amortization of royalty interests in oil and natural gas properties	18,536
Change in fair value of warrant liability	(27,800)
Accretion of asset retirement obligation	7
Amortization of debt issuance costs	457
Deferred income taxes	2,285
Cash paid to settle derivatives	(1,151)
Changes in operating assets and liabilities
Accounts receivable	1,882
Prepaid expenses	(278)
Other assets	(182)
Accounts payable and accrued expenses	(4,399)
Other liabilities	(147)
Net cash provided by operating activities	77,886
Cash flows from investing activities:
Additions to oil and natural gas properties	(523)
Cash acquired in the Transactions	2,920
Proceeds from the sale of assets	121,130
Acquisition of oil and natural gas properties	(1,215)
Net cash provided by (used in) investing activities	122,312
Cash flows from financing activities:
Distributions to partners	(143,788)
Distribution of subsidiaries	(7,125)
Contributions	(8)
Repayments of long-term debt	(44,000)
Dividends paid	(4,356)
Distributions to non-controlling interests	(4,101)
Net cash used in financing activities	(203,378)
Net increase (decrease) in cash and cash equivalents	(3,180)
Cash and cash equivalents, beginning of period	10,497
Cash and cash equivalents, end of period	7,317
Supplemental disclosure of cash flow information:
Cash paid for interest	1,834
Cash paid for income taxes	1,350
Non-cash investing and financing activities:
Valuation of warrants related to the Transactions	42,500
Credit facility prior to the Transactions	38,000
Distribution of long-term debt to non-acquired entities prior to the Transactions	31,000
Deferred financing fees prior to the Transactions	3,214
Deferred tax asset related to the Transactions	$ 60,603