| **Reconciliation of Level 3 Fair Value Measurements (Details) - Derivative Financial Instrument Net Assets - USD ($) $ in Thousands** | 3 Months Ended | 9 Months Ended |
|---------------------------------------------------------------------------------------------------------------------------------------|----------------|----------------|
||
| **Roll-forward of Level 3 Assets**                                                                                                    |           |           |   |   |
| Fair Value, net assets, beginning of period                                                                                           | $ (19,100)     | $ 8,619        | $ (9,687) | $ (9,574) |
| Fair Value, net assets, end of period                                                                                                 | (28,862)       | (6,469)        | (28,862) | (6,469) |
| Commodity Price Risk Management (loss), net                                                                                           |           |           |   |   |
| **Roll-forward of Level 3 Assets**                                                                                                    |           |           |   |   |
| Changes in fair value included in statement of operations line item:                                                                  | (16,175)       | (14,075)       | (23,029) | 8,547 |
| Settlements included in statement of operations line items:                                                                           | 6,413          | (1,013)        | 3,854 | (5,442) |
| Net change in fair value of unsettled derivatives included in statement of operations line item                                       | $ (7,451)      | $ (8,711)      | $ (4,229) | $ (583) |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                     |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Net Asset, Period Increase (Decrease).
+ References
No definition available.
+ Details**Name:**pdce_ChangesInUnrealizedGainsLossesRelatingToAssetsLiabilitiesStillHeldAsOfPeriodEndIncludedInStatementOfOperationsLineItem**Namespace Prefix:**pdce_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
This element represents net assets measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances.
+ References
No definition available.
+ Details**Name:**pdce_FairValueMeasuredWithUnobservableInputReconcilitionRecurringBasisNetAssetValue**Namespace Prefix:**pdce_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of purchases, sales, issues, and settlements (net) which have taken place in relation to net assets measured at fair value on a recurring basis using unobservable inputs (level 3).
+ References
No definition available.
+ Details**Name:**pdce_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetPurchasesSalesIssuesSettlements**Namespace Prefix:**pdce_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Description of where the gain (loss), arising from net assets measured at fair value on a recurring basis using unobservable inputs (level 3), is to be recognized in earnings.
+ References
No definition available.
+ Details**Name:**pdce_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetsGainLossIncludedInEarnings**Namespace Prefix:**pdce_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                          |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.
+ References
No definition available.
+ Details**Name:**us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward**Namespace Prefix:**us-gaap_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                           |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_FairValueByAssetClassAxis=pdce_DerivativeFinancialInstrumentNetAssetsMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |
| X                                                                                                                                                                                  |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**pdce_IncomeStatementAndBalanceSheetLocationAxis=pdce_CommodityPriceRiskManagementNetMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |