Mammoth Energy Services, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Reporting Segments (Details)

Reporting Segments (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
Reporting Segments (Details) $ in Thousands	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($) segment	Jun. 30, 2018 USD ($)	Dec. 31, 2018 USD ($) segment	Dec. 31, 2017 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments \| segment			3		4
Revenues	$ 181,820	$ 533,594	$ 443,958	$ 1,027,843
Cost of revenue, exclusive of depreciation, depletion, amortization and accretion	168,015	339,828	357,085	665,929
Intersegment cost of revenues	0	0	0	0
Total cost of revenue	168,015	339,828	357,085	665,929
Selling, general and administrative	9,455	65,127	26,791	103,638
Depreciation, depletion, amortization and accretion	30,145	30,795	58,721	57,703
Impairment of long-lived assets	0	187	0	187
Operating (loss) income	(25,795)	97,657	1,361	200,386
Interest expense, net	1,551	959	2,074	2,196
Other (income) expense, net	(4,019)	486	(28,576)	514
(Loss) income before income taxes	(23,327)	96,212	27,863	197,676
Total assets	1,108,910		1,108,910		$ 1,073,091
Goodwill	101,245		101,245		101,245	$ 99,811
Infrastructure
Segment Reporting Information [Line Items]
Revenues	41,821	360,250	150,542	685,709
Pressure Pumping
Segment Reporting Information [Line Items]
Revenues	82,973	100,333	173,568	196,912
Sand
Segment Reporting Information [Line Items]
Revenues	29,223	37,439	54,187	73,942
All Other
Segment Reporting Information [Line Items]
Revenues	27,803	35,572	65,661	71,280
Intersegment revenues
Segment Reporting Information [Line Items]
Revenues	0	0	0	0
Intersegment revenues \| Infrastructure
Segment Reporting Information [Line Items]
Revenues	0	0	0	0
Intersegment revenues \| Pressure Pumping
Segment Reporting Information [Line Items]
Revenues	1,668	1,073	3,212	5,632
Intersegment revenues \| Sand
Segment Reporting Information [Line Items]
Revenues	11,170	15,406	24,067	29,918
Intersegment revenues \| All Other
Segment Reporting Information [Line Items]
Revenues	584	1,776	1,243	4,193
Eliminations
Segment Reporting Information [Line Items]
Revenues	(13,422)	(18,255)	(28,522)	(39,743)
Cost of revenue, exclusive of depreciation, depletion, amortization and accretion	0	0	0	0
Intersegment cost of revenues	(13,500)	(18,007)	(28,582)	(39,753)
Total cost of revenue	(13,500)	(18,007)	(28,582)	(39,753)
Selling, general and administrative	0	0	0	0
Depreciation, depletion, amortization and accretion	0	0	0	0
Impairment of long-lived assets		0		0
Operating (loss) income	78	(248)	60	10
Interest expense, net	0	0	0	0
Other (income) expense, net	0	0	0	0
(Loss) income before income taxes	78	(248)	60	10
Total assets	59,830		59,830		152,044
Goodwill	0		0		0
Operating Segments \| Infrastructure
Segment Reporting Information [Line Items]
Revenues	41,821	360,250	150,542	685,709
Cost of revenue, exclusive of depreciation, depletion, amortization and accretion	44,864	210,189	103,828	404,265
Intersegment cost of revenues	0	754	0	2,545
Total cost of revenue	44,864	210,943	103,828	406,810
Selling, general and administrative	3,035	39,786	12,553	71,637
Depreciation, depletion, amortization and accretion	7,818	4,094	15,537	6,501
Impairment of long-lived assets		0		0
Operating (loss) income	(13,896)	105,427	18,624	200,761
Interest expense, net	386	106	425	182
Other (income) expense, net	(4,045)	330	(28,869)	332
(Loss) income before income taxes	(10,237)	104,991	47,068	200,247
Total assets	419,368		419,368		366,457
Goodwill	3,828		3,828		3,828
Operating Segments \| Pressure Pumping
Segment Reporting Information [Line Items]
Revenues	84,641	101,406	176,780	202,544
Cost of revenue, exclusive of depreciation, depletion, amortization and accretion	59,835	61,593	124,047	128,205
Intersegment cost of revenues	11,797	16,174	25,334	31,576
Total cost of revenue	71,632	77,767	149,381	159,781
Selling, general and administrative	2,664	20,822	5,876	23,485
Depreciation, depletion, amortization and accretion	10,174	13,829	20,068	27,815
Impairment of long-lived assets		0		0
Operating (loss) income	171	(11,012)	1,455	(8,537)
Interest expense, net	452	341	649	845
Other (income) expense, net	9	80	8	92
(Loss) income before income taxes	(290)	(11,433)	798	(9,474)
Total assets	265,244		265,244		254,278
Goodwill	86,043		86,043		86,043
Operating Segments \| Sand
Segment Reporting Information [Line Items]
Revenues	40,393	52,845	78,254	103,860
Cost of revenue, exclusive of depreciation, depletion, amortization and accretion	32,676	35,117	62,928	68,447
Intersegment cost of revenues	1,141	1,019	2,188	5,305
Total cost of revenue	33,817	36,136	65,116	73,752
Selling, general and administrative	1,380	1,787	2,899	3,431
Depreciation, depletion, amortization and accretion	4,528	3,881	7,401	6,197
Impairment of long-lived assets		0		0
Operating (loss) income	668	11,041	2,838	20,480
Interest expense, net	72	76	102	156
Other (income) expense, net	(32)	36	(32)	23
(Loss) income before income taxes	628	10,929	2,768	20,301
Total assets	216,857		216,857		177,870
Goodwill	2,684		2,684		2,684
Operating Segments \| All Other
Segment Reporting Information [Line Items]
Revenues	28,387	37,348	66,904	75,473
Cost of revenue, exclusive of depreciation, depletion, amortization and accretion	30,640	32,929	66,282	65,012
Intersegment cost of revenues	562	60	1,060	327
Total cost of revenue	31,202	32,989	67,342	65,339
Selling, general and administrative	2,376	2,732	5,463	5,085
Depreciation, depletion, amortization and accretion	7,625	8,991	15,715	17,190
Impairment of long-lived assets		187		187
Operating (loss) income	(12,816)	(7,551)	(21,616)	(12,328)
Interest expense, net	641	436	898	1,013
Other (income) expense, net	49	40	317	67
(Loss) income before income taxes	(13,506)	$ (8,027)	(22,831)	$ (13,408)
Total assets	147,611		147,611		122,442
Goodwill	$ 8,690		$ 8,690		$ 8,690