Parent Company Financials - Condensed Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents	$ 185,740	$ 202,498
Total current assets	509,040	600,237
Total assets	2,553,234	2,900,840
Current Liabilities:
Accounts payable and accrued expenses	248,237	216,400
Total current liabilities	335,398	261,339
Total liabilities	1,836,654	1,848,536
Stockholders’ Equity:
Common stock	823	818
Additional paid-in capital	1,185,116	1,169,383
Retained (deficit) earnings	(279,956)	67,854
Treasury stock, at cost	(180,912)	(178,215)
Accumulated other comprehensive loss	(19,854)	(15,020)
Total U.S. Silica Holdings, Inc. stockholders’ equity	705,217	1,044,820
Non-controlling interest	11,363	7,484
Total stockholders' equity	716,580	1,052,304	$ 1,396,506	$ 1,273,290
Total liabilities and stockholders’ equity	2,553,234	2,900,840
Parent Company
Current Assets:
Cash and cash equivalents	51,849	107,151
Due from affiliates	138,988	100,094
Total current assets	190,837	207,245
Investment in subsidiaries	530,830	850,099
Total assets	721,667	1,057,344
Current Liabilities:
Accounts payable and accrued expenses	129	217
Dividends payable	4,958	4,823
Total current liabilities	5,087	5,040
Total liabilities	5,087	5,040
Stockholders’ Equity:
Preferred stock	0	0
Common stock	823	818
Additional paid-in capital	1,185,116	1,169,383
Retained (deficit) earnings	(279,956)	67,854
Treasury stock, at cost	(180,912)	(178,215)
Accumulated other comprehensive loss	(19,854)	(15,020)
Total U.S. Silica Holdings, Inc. stockholders’ equity	705,217	1,044,820
Non-controlling interest	11,363	7,484
Total stockholders' equity	716,580	1,052,304	$ 1,396,506	$ 1,273,290
Total liabilities and stockholders’ equity	$ 721,667	$ 1,057,344