Current report filing

Document

v3.19.3
Document
Oct. 28, 2019
Document Information [Line Items]  
Document Type 8-K
Document Period End Date Oct. 28, 2019
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
Amendment Flag false
Entity Information [Line Items]  
Entity Registrant Name SEACOR HOLDINGS INC /NEW/
Entity Central Index Key 0000859598
Entity File Number 1-12289
Entity Tax Identification Number 13-3542736
Entity Incorporation, State or Country Code DE
Entity Emerging Growth Company false
Entity Addresses [Line Items]  
Entity Address, City or Town Fort Lauderdale
Entity Address, State or Province FL
Entity Address, Address Line One 2200 Eller Drive
Entity Address, Postal Zip Code 33316
Entity Listings [Line Items]  
Title of 12(b) Security Common Stock, par value $0.01 per share
Trading Symbol CKH
Security Exchange Name NYSE