Commitments and Contingencies (Other Commitments) (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |
|---|---|---|---|
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
|
| Purchase commitment | |||
| Other Commitments [Line Items] | |||
| Remaining 2017 | $ 26,220 | ||
| 2018 | 39,330 | ||
| Total | 65,550 | ||
| Loss on long-term purchase commitment | Muskie Proppant LLC | |||
| Other Commitments [Line Items] | |||
| Long-term purchase commitment, accrued damages year to date | $ 700 | $ 0 | $ 2,000 |
| X | ||||||||||
- Definition The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. No definition available.
|
| X | ||||||||||
- Definition Minimum amount of other commitment maturing in the second fiscal year following the latest fiscal year for commitments not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in this taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. No definition available.
|
| X | ||||||||||
- Definition Amount of other commitments maturing in the remainder of the fiscal year following the latest fiscal year ended. No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|