Debt instrument paid in kind interest rate percentage.

No definition available.

Name:	crr_DebtInstrumentPaidInKindInterestRatePercentage
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Balance Type:	na
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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- Definition

Number of board of directors.

+ References

No definition available.

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Period Type:	duration

- Definition

Number of domestic operating subsidiary guarantors.

+ References

No definition available.

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Period Type:	instant

- Definition

Percentage of common stock outstanding owned.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Period for payment of interest on loan in kind.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
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Period Type:	duration

- Definition

Warrants expiration date.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
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Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- 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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Period Type:	instant

- Definition

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

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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- Definition

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

+ References

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Period Type:	instant

- Definition

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

+ References

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Period Type:	duration

- Definition

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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Period Type:	duration

- Definition

Amount, after accumulated amortization, of debt discount.

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Period Type:	instant

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of interest capitalized during the period.

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

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Period Type:	duration

- 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.

+ References

No definition available.

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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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Period Type:	instant

- Definition

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

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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- Definition

Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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Balance Type:	credit
Period Type:	instant

- Definition

Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.

+ References

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Balance Type:	credit
Period Type:	instant

- Definition

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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-Paragraph 28
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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-Paragraph 14
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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).

+ References

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Period Type:	duration

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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-Paragraph 15
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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.

+ References

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Period Type:	instant

- Definition

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.

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Fair value portion of warrants not settleable in cash classified as equity.

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Period Type:	instant

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Name:	us-gaap_LineOfCreditFacilityAxis=crr_WilksBrothersLLCMember
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Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
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Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_WarrantMember
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Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
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Long-Term Debt and Notes Payable - Additional Information (Detail) $ / shares in Units, $ in Thousands			1 Months Ended	6 Months Ended
	Apr. 02, 2017 USD ($)	Mar. 02, 2017 USD ($) Subsidiary $ / shares shares	May 31, 2016 USD ($) BoardofDirector	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jul. 27, 2017 USD ($)	Mar. 10, 2017	Dec. 31, 2016 USD ($)
Line of Credit Facility [Line Items]
Long-term debt				$ 48,119				$ 42,404
Debt instrument, maturity date				Apr. 01, 2018
Repayments of long-term debt				$ 3,250	$ 26,033
Long-term debt, current								13,000
Debt instrument, payment terms				Payments are due monthly through April 1, 2018
Debt instrument, frequency of periodic payment				monthly
PIK interest payment				$ 997	0
Interest cost				3,965	2,747
Notes payable				$ 1,246				551
Debt instrument, effective interest rate				0.91%
Property, Plant and Equipment
Line of Credit Facility [Line Items]
Interest cost capitalized				$ 0	$ 80
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
Debt instrument, payable number \| BoardofDirector			2
PIK interest payment	$ 997
Notes outstanding principal balance				25,997
New Credit Agreement
Line of Credit Facility [Line Items]
Long-term debt				$ 52,651
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
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				$ 825
Warrants exercise price per share \| $ / shares		$ 14.91
Warrants expiration date		Dec. 31, 2022
Percentage of common stock outstanding owned							9.60%
Proceeds received from issuance of term loan		$ 52,651
Percentage of common stock outstanding would hold upon exercise of warrant to purchase additional shares		11.50%
Fair value of long-term debt		$ 48,780
Fair value of warrant		$ 3,871
Wilks \| New Credit Agreement \| Maximum
Line of Credit Facility [Line Items]
Warrant entitles to purchase shares of the common stock \| shares		523,022,000
Wilks \| New Credit Agreement \| Warrant
Line of Credit Facility [Line Items]
Unamortized original issue discount				3,707
Wilks \| New Credit Agreement \| Subsequent Event
Line of Credit Facility [Line Items]
Long-term debt						$ 65,000
Wells Fargo \| New Credit Agreement
Line of Credit Facility [Line Items]
Repayments of long-term debt		$ 52,651
Wells Fargo \| Amended Credit Agreement
Line of Credit Facility [Line Items]
Long-term debt								55,901
Debt issuance costs				455				497
Long-term debt, current								13,000
Long-term debt, long term								$ 42,901
Line of credit, weighted average interest rate								6.447%
Term Loan Closing to Pay off Wells Fargo \| Wilks \| New Credit Agreement
Line of Credit Facility [Line Items]
Long-term debt		$ 52,651
Additional Term Loan \| Wilks \| New Credit Agreement \| Subsequent Event
Line of Credit Facility [Line Items]
Long-term debt						$ 12,349
Standby Letters of Credit \| Wells Fargo \| Amended Credit Agreement
Line of Credit Facility [Line Items]
Line of credit, maximum borrowing capacity				$ 10,230				$ 11,980