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: