Organization and Description of Business (Details)	9 Months Ended
	Sep. 30, 2019 terminal airport segment
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of reportable segments | segment	4
IMTT
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of marine terminals	17
Canada- IMTT
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of marine terminals	2
Atlantic Aviation
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of airport locations | airport	70