Other Assets

12 Months Ended

Dec. 31, 2018

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Other Assets

OTHER ASSETS

The following table summarizes the Company’s other assets at December 31 of the following years:

	2018		2017
	(Thousands of dollars)
Deposits on future purchases of aircraft	$	501	$	501
Investment in Variable Interest Entities	519		330
Investments (Officers’ Deferred Compensation Plan)	772		2,685
Deferred Cost	2,721		—
Receivables / Deposits Long Term	12,187		4,875
Other	1,678		350
Total	$	18,378	$	8,741