Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2020

Commitments and Contingencies Disclosure [Abstract]

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

As of March 31, 2020, the maturities of operating lease liabilities are as follows (in thousands):

	Operating Leases
Remaining 2020	$	11,682
2021	12,054
2022	8,336
2023	7,608
2024	6,398
2025 and beyond	6,341
Total undiscounted cash payments	52,419
Less: amount representing interest	(4,437		)
Present value of future minimum lease payments	47,982
Less: current obligations under leases	13,340
Long-term lease obligation	$	34,642

Schedules of Concentration of Risk, by Risk Factor

As of March 31, 2020, the flight crewmember employees of ABX, ATI and OAI and flight attendant employees of ATI and OAI were represented by the labor unions listed below:

Airline	Labor Agreement Unit	Percentage of the Company’s Employees
ABX	International Brotherhood of Teamsters	5.1%
ATI	Air Line Pilots Association	8.3%
OAI	International Brotherhood of Teamsters	7.0%
ATI	Association of Flight Attendants	0.9%
OAI	Association of Flight Attendants	7.1%