| Standard label: | Purchase Commitment, Excluding Long-term Commitment [Domain] |
| Name: | us-gaap:PurchaseCommitmentExcludingLongtermCommitmentDomain |
| Documentation: | This item is intended to be populated, by the entity, with Members identifying each purchase commitment about which information required or determined to be disclosed is being provided. If only one such commitment exists, this item may be used to capture such information; if multiple commitments exist, this item is the dimensional default, which will aggregate such information, as appropriate. |
| Object type: | cm:Member |
| Data type: | [Member] (nonnum:domainItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | true |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:PurchaseCommitmentExcludingLongtermCommitmentDomain |
| Label | Role | Language |
| Purchase Commitment, Excluding Long-term Commitment [Domain] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 210 10 S99 1 (SX 210.5-02(25)) | http://fasb.org/us-gaap/role/ref/legacyRef | 210 |
| FASB Accounting Standards Codification 942 210 S99 1 (SX 210.9-03(17)) | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |
| FASB Accounting Standards Codification 944 210 S99 1 (SX 210.7-03(a)(19)) | http://fasb.org/us-gaap/role/ref/legacyRef | 944 |