Document and Entity Information
Document and Entity Information | Apr. 15, 2021 |
Cover [Abstract] | |
Entity Registrant Name | SEACOR HOLDINGS INC /NEW/ |
Amendment Flag | false |
Entity Central Index Key | 0000859598 |
Current Fiscal Year End Date | --12-31 |
Document Type | 8-K |
Document Period End Date | Apr. 15, 2021 |
Entity Incorporation State Country Code | DE |
Entity File Number | 1-12289 |
Entity Tax Identification Number | 13-3542736 |
Entity Address, Address Line One | 2200 Eller Drive |
Entity Address, City or Town | Fort Lauderdale |
Entity Address, State or Province | FL |
Entity Address, Postal Zip Code | 33316 |
City Area Code | (954) |
Local Phone Number | 523-2200 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Security 12b Title | Common Stock, $0.01 par value |
Trading Symbol | CKH |
Security Exchange Name | NYSE |
Entity Emerging Growth Company | false |