v3.19.3

Leases - ROU Assets (Details) $ in Thousands | Jan. 01, 2019 USD ($)
--- | ---
Lessee, Lease, Description [Line Items] |
Total ROU assets | $ 14,273
Railcar leases |
Lessee, Lease, Description [Line Items] |
Total ROU assets | 14,255
Real Estate and other leases |
Lessee, Lease, Description [Line Items] |
Total ROU assets | $ 18

X
- Definition Lease, RIght-of-Use Asset + References No definition available. + Details
Name: | cvi_LeaseRIghtofUseAsset
Namespace Prefix: | cvi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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
Name: | us-gaap_LesseeLeaseDescriptionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=cvi_RailcarsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_RealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |