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Long-Term Debt - Additional Information (Detail) - USD ($) |  |  |  |  | 1 Months Ended | 2 Months Ended | 9 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |  |  |
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Feb. 11, 2021 | May 31, 2020 | Jan. 26, 2018 | Jan. 12, 2018 | Dec. 31, 2014 | Aug. 31, 2014 | Dec. 01, 2020 | Sep. 30, 2019 | Dec. 31, 2020 | Dec. 31, 2017 | Dec. 31, 2021 | Sep. 30, 2020 | Sep. 04, 2020 | Jun. 26, 2019 | Jan. 08, 2019 | Dec. 31, 2018 | Jul. 17, 2018 | Dec. 22, 2017 | Feb. 15, 2017 | Jul. 29, 2014
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding borrowings under revolving credit facility |  |  |  |  |  |  |  |  | $ 37,000,000 |  |  |  |  |  |  |  |  |  |  |
Weighted-average interest rate of borrowings |  |  |  |  |  |  |  |  | 4.00% |  |  |  |  |  |  |  |  |  |  |
Credit facility remaining borrowing capacity |  |  |  |  |  |  |  |  | $ 11,000,000 |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Current Maturities |  |  |  |  |  |  |  |  | $ 487,000 |  |  |  |  |  |  |  |  |  |  |
Loan Under Paycheck Protection Programme [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Current Maturities |  |  |  |  |  |  |  |  |  |  | $ 487,000 |  |  |  |  |  |  |  |  |
Long-term bank debt |  |  |  |  |  |  |  |  |  |  | $ 1,267,000 |  |  |  |  |  |  |  |  |
Loan Under Paycheck Protection Programme [Member] | Eastern Oilwells Service Corporation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from scheme based loan |  | $ 470,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan Under Paycheck Protection Programme [Member] | Prime Operating Company And Eastern Oilwells Company [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long term debt stated rate of interest |  | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan Under Paycheck Protection Programme [Member] | Prime Operating Company And Eastern Oilwells Company [Member] | Possible Forgiveness Of Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Period of forgiveness of term loan |  | 10 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan Under Paycheck Protection Programme [Member] | Prime Operating Company [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from scheme based loan |  | $ 1,280,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility borrowing base |  |  |  |  |  |  |  |  |  |  |  |  | $ 50,000,000 | $ 90,000,000 | $ 100,000,000 | $ 72,000,000 |  |  |  |
Credit Agreement [Member] | Fifth Amendment To The Credit Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility decrease in the borrowing base |  |  |  |  |  |  | $ 666,666.67 |  |  |  |  |  |  |  |  |  |  |  |  |
Additional Equipment Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility remaining borrowing capacity |  |  |  |  |  | $ 1,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equipment Loan, face amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6,000,000
Percentage for base rate loans at the prime rate |  |  | 3.50% |  |  | 3.40% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equipment Loan, monthly payment |  |  | $ 7,986 |  |  | $ 87,800 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional equipment Loan, drawings |  |  |  |  | $ 500,000 | $ 4,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equipment Loan, interest rate description |  |  |  |  |  |  |  |  | interim draws to finance the acquisition of any future field service equipment. In December 2014, the Company made an interim draw of an additional $0.5 million on this facility that is secured by recently purchased field service equipment. Interim draws on this facility carried a floating interest rate; payable monthly at the LIBO published rate plus 2.50% and on June 26, 2015 converted into a fixed term loan, with a rate of 3.50% and requiring monthly payments |  |  |  |  |  |  |  |  |  |  |
Equipment Loan, principal payment amount |  |  |  | $ 20,858 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed Term Loan [Member] | Additional Equipment Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equipment Loan, monthly payment |  |  | $ 8,700 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equipment Loan, Interest rate on fixed loans |  |  |  |  |  |  |  | 3.50% |  |  |  |  |  |  |  |  |  |  |  |
2017 Credit Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 300,000,000 |
Credit agreement date |  |  |  |  |  |  |  |  |  | Feb. 15, 2017 |  |  |  |  |  |  |  |  |  |
Credit facility borrowing base |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 85,000,000 |  |
Line of credit facility, expiration date |  |  |  |  |  |  |  |  |  | Feb. 15, 2021 |  |  |  |  |  |  |  |  |  |
2017 Credit Agreement [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equipment Loan, face amount | $ 40,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equipment Loan, maturity date | Feb. 11, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2017 Credit Agreement [Member] | Subsequent Event [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, interest rate | 3.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
LIBOR Margin Rate | 4.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2017 Credit Agreement [Member] | Subsequent Event [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, interest rate | 2.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
LIBOR Margin Rate | 3.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility borrowing base |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 90,000,000 |  |  |
London Interbank Offered Rate (LIBOR) [Member] | Additional Equipment Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
LIBOR rate loans |  |  |  |  |  |  |  | 2.50% |  |  |  |  |  |  |  |  |  |  |  |
Base Rate And Libor [Member] | Credit Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument basis weighted average interest rate spread on variable rate |  |  |  |  |  |  |  | 5.34% |  |  |  | 3.95% |  |  |  |  |  |  |  |
Base Rate [Member] | Credit Agreement [Member] | Fifth Amendment To The Credit Agreement [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit borrowing base utilisation percentage |  |  |  |  |  |  |  |  |  |  |  |  | 3.50% |  |  |  |  |  |  |
Base Rate [Member] | Credit Agreement [Member] | Fifth Amendment To The Credit Agreement [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit borrowing base utilisation percentage |  |  |  |  |  |  |  |  |  |  |  |  | 2.50% |  |  |  |  |  |  |
Alternate Base Rate [Member] | Credit Agreement [Member] | Fifth Amendment To The Credit Agreement [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit borrowing base utilisation percentage |  |  |  |  |  |  |  |  |  |  |  |  | 2.50% |  |  |  |  |  |  |
Alternate Base Rate [Member] | Credit Agreement [Member] | Fifth Amendment To The Credit Agreement [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit borrowing base utilisation percentage |  |  |  |  |  |  |  |  |  |  |  |  | 1.50% |  |  |  |  |  |  |

X
- Definition LIBOR margin rate. + References No definition available. + Details
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- Definition Line of credit facility borrowing base utilisation percentage. + References No definition available. + Details
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- Definition Long-term bank debt. + References No definition available. + Details
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- Definition Period of forgiveness of term loan. + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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- Definition The average effective interest rate during the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- 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 Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Amount of the required periodic payments including both interest and principal payments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
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- Definition Amount of the required periodic payments applied to principal. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Weighted average interest rate of debt outstanding. + References No definition available. + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Date the credit facility terminates, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of increase (decrease), classified as other, of the credit facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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