Transactions with Related Parties - Schedule of Payables with Related Parties (Details) - Affiliated Entity - USD ($) $ in Thousands |
Jun. 30, 2018 |
Dec. 31, 2017 |
|---|---|---|
| Permian Tank And Manufacturing, Inc | ||
| Related Party Transaction [Line Items] | ||
| Accounts payable and accrued expenses | $ 1,816 | $ 340 |
| Oil States Energy Services, LLC | ||
| Related Party Transaction [Line Items] | ||
| Accounts payable and accrued expenses | $ 598 | $ 1,518 |