Oil and Natural Gas Properties Acquisitions (Tables)

12 Months Ended

Dec. 31, 2019

Business Acquisition [Line Items]

Schedule of Fair Values of the Assets Acquired

The following table summarizes these acquisitions:

	Assets Acquired								Consideration Paid
	Proved		Unproved		Net Working Capital		Total Fair Value		Cash
	(in thousands)
February	$	173	$	8,437	$	1	$	8,611	$	8,611
March	24		—		—		24		24
June	527		3,268		—		3,795		3,795
Total fair value	$	724	$	11,705	$	1	$	12,430	$	12,430

In addition, the Partnership acquired mineral and royalty interests that were considered asset acquisitions from various sellers in East Texas as reflected in the table below. The cash portion of the consideration paid for these acquisitions was funded via borrowings under the Partnership's Credit Facility.

	Assets Acquired		Consideration Paid
	Unproved		Cash		Fair Value of Common Units Issued
	(in thousands)
Q1 2017	$	21,189	$	21,017	$	172
Q2 2017	13,329		13,329		—
Q3 2017	19,946		15,205		4,741
Q4 2017	2,267		2,137		130
Total acquired	$	56,731	$	51,688	$	5,043

Noble Acquisition

Business Acquisition [Line Items]

Schedule of Fair Values of the Assets Acquired

The following table summarizes the final allocation of the fair value of the assets acquired and the acquisition-related costs.

	Assets Acquired
	Proved		Unproved		Net Working Capital		Total Fair Value		Cash Consideration Paid1		Acquisition-Related Costs2
	(in thousands)
Noble Assets	$	68,877	$	256,542	$	5,917	$	331,336	$	331,336	$	247

¹ Represents cash consideration paid on the Close Date, as adjusted for the $3.2 million purchase price adjustment recorded during the year ended December 31, 2018.

² Acquisition-related costs were expensed and included in the General and administrative expense line item of the consolidated statement of operations for the year ended December 31, 2017.

Schedule of Pro Forma Information From Business Acquisition

The following table presents unaudited pro forma information for the Partnership as if the Noble Acquisition occurred on January 1, 2016.

	For the Year Ended December 31,
	2017		2016
	(in thousands, except per unit amounts)
Revenue and other income	$	468,103	$	288,772
Net income (loss)	$	178,970	$	33,264
Net income (loss) attributable to noncontrolling interests	34		12
Distributions on Series A redeemable preferred units	(3,117)		(5,763)
Distributions on Series B cumulative convertible preferred units	(21,000)		(21,000)
Net income (loss) attributable to the general partner and common and subordinated units	$	154,887	$	6,513
Allocation of net income (loss):
General partner interest	—		—
Common units	99,776		20,696
Subordinated units	55,111		(14,183)
	$	154,887	$	6,513
Net income (loss) attributable to limited partners per common and subordinated unit:
Per common unit (basic)	$	1.02	$	0.22
Per subordinated unit (basic)	$	0.58	$	(0.15)
Per common unit (diluted)	$	1.02	$	0.22
Per subordinated unit (diluted)	$	0.58	$	(0.15)

2018 Acquisitions

Business Acquisition [Line Items]

Schedule of Fair Values of the Assets Acquired

The following table summarizes these acquisitions:

	Assets Acquired								Consideration Paid
	Proved		Unproved		Net Working Capital		Total Fair Value		Cash		Fair Value of Common Units Issued
	(in thousands)
March	$	984	$	21,452	$	133	$	22,569	$	22,569	$	—
June	883		13,688		8		14,579		14,579		—
July	4,349		7,944		215		12,508		3,764		8,744
August	5,000		34,673		74		39,747		26,461		13,286
September	1,176		—		—		1,176		1,176		—
November	1,166		—		—		1,166		1,166		—
Total fair value	$	13,558	$	77,757	$	430	$	91,745	$	69,715	$	22,030

2017 Acquisitions

Business Acquisition [Line Items]

Schedule of Fair Values of the Assets Acquired

The following table summarizes these acquisitions:

	Assets Acquired								Consideration Paid
	Proved		Unproved		Net Working Capital		Total Fair Value		Cash		Fair Value of Common Units Issued		Acquisition-Related Costs1
	(in thousands)
January	$	5,135	$	34,008	$	263	$	39,406	$	27,380	$	12,026	$	1,162
June	5,006		45,477		—		50,483		4,802		45,681		1,481
August	3,277		9,984		—		13,261		4,289		8,972		107
September	3,120		—		—		3,120		3,120		—		—
Total fair value	$	16,538	$	89,469	$	263	$	106,270	$	39,591	$	66,679	$	2,750

¹ Acquisition-related costs were expensed and included in the General and administrative expense line item of the consolidated statement of operations for the year ended December 31, 2017.