Debt instrument paid in kind interest rate percentage.

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- Definition

Notice of intent, period required to provide to exercise available option for interest payment.

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Number of board of directors.

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Number of domestic operating subsidiary guarantors.

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Percentage of common stock outstanding owned.

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- Definition

Percentage of common stock outstanding would hold upon exercise of warrant to purchase additional shares.

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- Definition

Period for payment of interest on loan in kind.

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Warrants expiration date.

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Amount of increase in additional paid in capital (APIC) resulting from the issuance of warrants. Includes allocation of proceeds of debt securities issued with detachable stock purchase warrants.

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Exercise price per share or per unit of warrants or rights outstanding.

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Description of the frequency of periodic payments (monthly, quarterly, annual).

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Contractual interest rate for funds borrowed, under the debt agreement.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment.

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Amount, after accumulated amortization, of debt discount.

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Total interest costs incurred during the period and either capitalized or charged against earnings.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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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.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Interest paid other than in cash for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method.

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The cash inflow from borrowings supported by a written promise to pay an obligation that is uncollateralized (where debt is not backed by the pledge of collateral).

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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Carrying value as of the balance sheet date of uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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Long-Term Debt and Notes Payable - Additional Information (Detail)		1 Months Ended	9 Months Ended		12 Months Ended
	Mar. 02, 2017 USD ($) Subsidiary $ / shares shares	May 31, 2016 USD ($) BoardofDirector	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)	Oct. 25, 2018 USD ($)
Line of Credit Facility [Line Items]
Long-term debt			$ 61,211,000		$ 60,698,000
PIK interest payments			0	$ 997,000
Interest expense			6,482,000	$ 5,966,000
Unsecured Promissory Notes
Line of Credit Facility [Line Items]
Debt instrument, maturity date		Apr. 01, 2019
Debt instrument, interest rate		7.00%
Proceeds from issuance of notes		$ 25,000,000
Debt instrument, payable number \| BoardofDirector		2
PIK interest payments					2,040,000
Subsequent Event \| Unsecured Promissory Notes
Line of Credit Facility [Line Items]
Notes outstanding principal balance						$ 27,040,000
New Credit Agreement
Line of Credit Facility [Line Items]
Long-term debt			$ 65,000,000
New Credit Agreement \| Unsecured Promissory Notes
Line of Credit Facility [Line Items]
Debt instrument, payment-in-kind interest rate	8.00%
Debt instrument, payment terms			Interest payments at 8.00% until the lenders under the New Credit Agreement receive two consecutive semi-annual cash interest payments.
Debt instrument, frequency of periodic payment			Semi-annual
Wilks \| New Credit Agreement
Line of Credit Facility [Line Items]
Long-term debt	$ 65,000,000
Debt instrument, maturity date			Dec. 31, 2022
Debt instrument, interest rate	9.00%
Number of operating subsidiaries \| Subsidiary	2
Period for payment of Interest on loan in kind	2 years
Debt instrument, payment-in-kind interest rate	11.00%
Notice of intent, period required to provide to exercise available option for interest payment	30 days
Unamortized debt issuance costs			$ 725,000
Warrants exercise price per share \| $ / shares	$ 14.91
Warrants expiration date	Dec. 31, 2022
Percentage of common stock outstanding owned			11.10%
Percentage of common stock outstanding would hold upon exercise of warrant to purchase additional shares			12.80%
Increase in additional paid-in capital due to issuance of warrant			$ 3,871,000
Wilks \| New Credit Agreement \| Maximum
Line of Credit Facility [Line Items]
Warrant entitles to purchase shares of the common stock \| shares	523,022
Wilks \| New Credit Agreement \| Warrant
Line of Credit Facility [Line Items]
Unamortized original issue discount			3,064,000
Wells Fargo \| Amended Credit Agreement \| Standby Letters of Credit
Line of Credit Facility [Line Items]
Letters of credit outstanding			$ 7,775,000		$ 9,230,000