UNAUDITED CONDENSED COMBINED STATEMENTS OF OPERATIONS - Predecessor - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenue
Third parties	$ 238	$ 1,249	$ 1,712	$ 3,512
Related parties	26,778	22,092	78,832	78,025
Total revenue	27,016	23,341	80,544	81,537
Costs and expenses
Operating expenses – third parties	3,062	1,902	6,380	5,569
Operating expenses – related parties	1,945	1,480	5,812	4,550
Maintenance expenses – third parties	1,362	991	2,651	1,709
Maintenance expenses – related parties	65	103	257	330
Gain from disposition of property, plant and equipment, net	0	0	(6)	0
General and administrative – third parties	12	0	56	7
General and administrative – related parties	1,210	1,730	3,571	5,397
Depreciation	675	649	2,007	1,917
Property and other taxes	113	110	267	255
Total costs and expenses	8,444	6,965	20,995	19,734
Operating income	18,572	16,376	59,549	61,803
Other income (loss)	380	(246)	(108)	285
Income tax expense	7,403	6,309	23,219	24,284
Net income	$ 11,549	$ 9,821	$ 36,222	$ 37,804