v3.10.0.1

Summary of Significant Accounting Policies - Additional Information (Detail) $ in Millions |  | 1 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Mar. 22, 2017 USD ($) | Mar. 31, 2018 USD ($) | Apr. 30, 2017 USD ($) | Sep. 30, 2018 USD ($) | Dec. 31, 2016
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Prepayment under the agreement |  |  | $ 5.0 |  |
Utilization of prepayment related to hydraulic fracturing services provided |  |  |  | $ 1.2 |
Agreement termination date |  |  |  | Mar. 31, 2018 |
Revolving credit facility, covenant terms |  |  |  | Our revolving credit facility contains three principal financial covenants: (i) a consolidated interest coverage ratio, (ii) a consolidated modified current ratio and (iii) a consolidated total leverage ratio. See Note 5 to our consolidated financial statements in this report for additional information regarding the financial covenants under our revolving credit facility. At September 30, 2018, we were in compliance with all of our covenants, and there were no existing defaults or events of default, under our debt instruments. |
7% Senior Notes Due 2021 [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Debt exchange to common stock, principal amount | $ 145.1 |  |  |  |
Wilks [Member] | 7% Senior Notes Due 2021 [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Debt exchange to common stock, principal amount |  |  |  | $ 60.0 |
Debt conversion, interest rate of debt |  |  |  | 7.00% |
Debt Iistrument. maturity year |  |  |  | 2021 |
Maximum [Member] | Senior Secured Credit Facility [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Leverage ratio |  |  |  | 6.4 | 9.7
Leverage ratio, March 31, 2019 |  |  |  | 5.0 |
Minimum [Member] | Senior Secured Credit Facility [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Leverage ratio |  |  |  | 1.0 | 1.0
Unused Prepaid Balance [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Proceeds from prepayment under the agreement |  | $ 3.8 |  |  |

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