Leases and Prepaid Maintenance Deposits (Tables)

12 Months Ended

Dec. 31, 2017

Schedule of future minimum rental payments for noncancellable operating leases

Future minimum lease payments under capital leases and noncancellable operating leases with initial or remaining terms in excess of one year at December 31, 2017 were as follows:



	Capital Leases		Operating Leases				Total Operating and Capital Lease Obligations
	Capital Leases		Aircraft and Spare Engine Leases		Property Facility Leases		Total Operating and Capital Lease Obligations
	(in thousands)
2018	$	537	$	204,292	$	45,737	$	250,566
2019	504		189,106		36,852		226,462
2020	188		180,842		25,870		206,900
2021	28		170,643		12,740		183,411
2022	—		150,212		11,931		162,143
2023 and thereafter	—		419,908		61,211		481,119
Total minimum lease payments	$	1,257	$	1,315,003	$	194,341	$	1,510,601
Less amount representing interest	94
Present value of minimum lease payments	$	1,163
Less current portion	476
Long-term portion	$	687