Document And Entity Information
Document And Entity Information | May 06, 2021 |
Cover [Abstract] | |
Document Type | 8-K |
Amendment Flag | false |
Document Period End Date | May 6, 2021 |
Entity Registrant Name | SEACOR Marine Holdings Inc. |
Entity Central Index Key | 0001690334 |
Entity Emerging Growth Company | true |
Entity Ex Transition Period | true |
Entity File Number | 001-37966 |
Entity Incorporation, State or Country Code | DE |
Entity Tax Identification Number | 47-2564547 |
Entity Address, Address Line One | 12121 Wickchester Lane |
Entity Address, Address Line Two | Suite 500 |
Entity Address, City or Town | Houston |
Entity Address, State or Province | TX |
Entity Address, Postal Zip Code | 77079 |
City Area Code | (346) |
Local Phone Number | 980-1700 |
Written Communications | false |
Soliciting Material | false |
Pre-commencement Tender Offer | false |
Pre-commencement Issuer Tender Offer | false |
Security12b Title | Common stock, par value $0.01 per share |
Trading Symbol | SMHI |
Name of each exchange on which registered | NYSE |