Condensed Consolidated Statements of Loss (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Statement [Abstract]
Revenues	$ 322,660	$ 428,246
Cost of goods sold (excluding depreciation, depletion, and amortization shown separately)	253,874	361,560
Operating expenses
Selling, general and administrative expenses	33,447	41,960
Depreciation, depletion and amortization expense	34,830	58,095
Restructuring and other charges	5,499	2,002
Other operating income, net	(2,268)	(6,859)
Loss from operations	(2,722)	(28,512)
Interest expense, net	23,583	25,603
Other non-operating expense, net	2,912	2,187
Loss before benefit for income taxes	(29,217)	(56,302)
Benefit from income taxes	(28,252)	(4,054)
Net loss	(965)	(52,248)
Less: Net loss attributable to the non-controlling interest	(24)	(3)
Net loss attributable to Covia Holdings Corporation	$ (941)	$ (52,245)
Loss per share
Basic	$ (0.01)	$ (0.40)
Diluted	$ (0.01)	$ (0.40)
Weighted average number of shares outstanding
Basic	131,850	131,287
Diluted	131,850	131,287