Current report filing

Document And Entity Information

Document And Entity Information
Apr. 11, 2021
Document Information [Line Items]  
Entity, Registrant Name SEACOR Holdings Inc.
Document, Type 8-K
Document, Period End Date Apr. 11, 2021
Entity, Incorporation, State or 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
Title of 12(b) Security Common Stock
Trading Symbol CKH
Security Exchange Name NYSE
Entity, Emerging Growth Company false
Amendment Flag false
Entity, Central Index Key 0000859598