|
Common Stock and Stockholders' Equity - Additional Information (Detail) (USD $)
In Millions, except Share data, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Share-based awards vesting period | 3 years | ||
| Restricted shares to selected key personnel | 2,602,973us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross | ||
| Compensation expense related to the performance units | $ 9.3us-gaap_AllocatedShareBasedCompensationExpense | $ 9.4us-gaap_AllocatedShareBasedCompensationExpense | $ 7.2us-gaap_AllocatedShareBasedCompensationExpense |
| Total fair value of the shares vested | 7.1us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue | 7.4us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue | 5.2us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue |
| Weighted-average grant-date fair value of shares granted (in usd per share) | $ 6.66us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue | $ 4.77us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue | $ 5.37us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue |
| Non-vested restricted stock awards and restricted stock units (in shares) | 3,407,354us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber | ||
| Performance units under 2010 Long Term Incentive Plan (in shares) | 1,541,395us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod | 1,558,347us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod | |
| Performance units forfeited (in shares) | 204,062us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod | ||
| Performance period - awards percentage | 200.00%pkd_PercentageOfNumberOfSharesEarnedRelatedToPerformanceMaximum | ||
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options | 0us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions | ||
| Performance Units [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Compensation expense related to the performance units |
3.9us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = pkd_PerformanceUnitsMember |
1.8us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = pkd_PerformanceUnitsMember |
0.5us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = pkd_PerformanceUnitsMember |
| Performance units under 2010 Long Term Incentive Plan (in shares) |
16,574us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = pkd_PerformanceUnitsMember |
18,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = pkd_PerformanceUnitsMember |
38,429us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = pkd_PerformanceUnitsMember |
| Performance units forfeited (in shares) |
110us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = pkd_PerformanceUnitsMember |
13,358us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = pkd_PerformanceUnitsMember |
3,955us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = pkd_PerformanceUnitsMember |
| Nominal value |
$ 100pkd_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageNominalValuePerShare / us-gaap_AwardTypeAxis = pkd_PerformanceUnitsMember |
||
| Performance at the maximum level | 3 years | ||
| Nonvested RSUs [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Non-vested restricted stock awards and restricted stock units (in shares) |
3,344,813us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = pkd_NonvestedRestrictedStockUnitsMember |
||
| Total unrecognized compensation cost of unamortized non-vested stock awards |
$ 7.7us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions / us-gaap_AwardTypeAxis = pkd_NonvestedRestrictedStockUnitsMember |
||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term | 18 months | ||
| Chief Executive Officer [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Performance units under 2010 Long Term Incentive Plan (in shares) |
349,651us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_TitleOfIndividualAxis = us-gaap_ChiefExecutiveOfficerMember |
||
| Chief Financial Officer [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Performance units under 2010 Long Term Incentive Plan (in shares) |
261,438us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_TitleOfIndividualAxis = us-gaap_ChiefFinancialOfficerMember |
||
| 2010 Long-Term Incentive Plan [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Common stock granted |
11,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_PlanNameAxis = pkd_TwoThousandAndTenLongTermIncentivePlanMember |
||
| 2010 Long-Term Incentive Plan [Member] | Common Stock [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Stock option outstanding or exercisable (in shares) |
3,915,594us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_PlanNameAxis = pkd_TwoThousandAndTenLongTermIncentivePlanMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember |
||
| X | ||||||||||
|
- Definition
Measurement Performance Period No definition available.
|
| X | ||||||||||
|
- Definition
The percentage of number of shares earned if maximum performance level is achieved. No definition available.
|
| X | ||||||||||
|
- Definition
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Nominal Value Per Share No definition available.
|
| X | ||||||||||
|
- Definition
Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation. No definition available.
|
| X | ||||||||||
|
- Definition
Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Weighted average remaining contractual term for fully vested and expected to vest options that are exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Gross number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. No definition available.
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|