Parker Wellbore Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Summary of Significant Accounting Policies - Additional Information (Detail)

v3.10.0.1

Summary of Significant Accounting Policies - Additional Information (Detail) $ in Millions		6 Months Ended		12 Months Ended
	Jul. 26, 2018	Jun. 30, 2018 USD ($) segment business_line	Jun. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)
Revenue, Major Customer [Line Items]
Number of business lines \| business_line		2
Percentage accounted for under the equity method		50.00%
Deposits in domestic bank		$ 65.6		$ 97.6
Uninsured deposits in foreign banks		$ 50.4		$ 45.6
Preferred dividend percentage		7.25%		7.25%
Subsequent Event
Revenue, Major Customer [Line Items]
Reverse stock split, conversion ratio	15
Exxon Neftegas Limited
Revenue, Major Customer [Line Items]
Reimbursement revenue		$ 22.6	$ 27.0
Customer Concentration Risk \| Sales Revenue, Net \| Exxon Neftegas Limited
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer		26.30%	34.00%
Customer Concentration Risk \| Sales Revenue, Net Of Reimbursable Revenues \| Exxon Neftegas Limited
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer		18.60%	24.60%
Minimum
Revenue, Major Customer [Line Items]
Estimated Useful Life (Years)		3 years
Maximum
Revenue, Major Customer [Line Items]
Estimated Useful Life (Years)		6 years
U.S. (Lower 48) Drilling
Revenue, Major Customer [Line Items]
Number of business lines \| business_line		2
Number of reportable segments \| segment		2
International & Alaska Drilling
Revenue, Major Customer [Line Items]
Number of reportable segments \| segment		2
International & Alaska Drilling \| Customer Concentration Risk \| Sales Revenue, Net \| Exxon Neftegas Limited
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer		54.90%	57.00%
International & Alaska Drilling \| Customer Concentration Risk \| Sales Revenue, Net Of Reimbursable Revenues \| Exxon Neftegas Limited
Revenue, Major Customer [Line Items]
Percentage of revenue from major customer		45.40%	46.70%

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