Leases and Aircraft Maintenance Deposits (Tables)

12 Months Ended

Dec. 31, 2019

Leases [Abstract]

Schedule of future minimum lease payments for finance leases

The following table provides details of the Company's future minimum lease payments under finance lease liabilities and operating lease liabilities recorded on the Company's balance sheets as of December 31, 2019. The table does not include commitments that are contingent on events or other factors that are currently uncertain and unknown.

	Finance Leases		Operating Leases						Total Operating and Finance Lease Obligations
			Aircraft and Spare Engine Leases		Property Facility Leases		Other
	(in thousands)
2020	$	44,980	$	192,937	$	3,544	$	517	$	241,978
2021	606		192,539		3,532		—		196,677
2022	578		193,616		3,221		—		197,415
2023	202		181,667		2,570		—		184,439
2024	—		159,668		2,046		—		161,714
2025 and thereafter	—		921,721		138,696		—		1,060,417
Total minimum lease payments	$	46,366	$	1,842,148	$	153,609	$	517	$	2,042,640
Less amount representing interest	285		526,760		130,825		13		657,883
Present value of minimum lease payments	$	46,081	$	1,315,388	$	22,784	$	504	$	1,384,757
Less current portion	44,796		117,861		2,297		504		165,458
Long-term portion	$	1,285	$	1,197,527	$	20,487	$	—	$	1,219,299

Schedule of future minimum lease payments for operating leases

The following table provides details of the Company's future minimum lease payments under finance lease liabilities and operating lease liabilities recorded on the Company's balance sheets as of December 31, 2019. The table does not include commitments that are contingent on events or other factors that are currently uncertain and unknown.

	Finance Leases		Operating Leases						Total Operating and Finance Lease Obligations
			Aircraft and Spare Engine Leases		Property Facility Leases		Other
	(in thousands)
2020	$	44,980	$	192,937	$	3,544	$	517	$	241,978
2021	606		192,539		3,532		—		196,677
2022	578		193,616		3,221		—		197,415
2023	202		181,667		2,570		—		184,439
2024	—		159,668		2,046		—		161,714
2025 and thereafter	—		921,721		138,696		—		1,060,417
Total minimum lease payments	$	46,366	$	1,842,148	$	153,609	$	517	$	2,042,640
Less amount representing interest	285		526,760		130,825		13		657,883
Present value of minimum lease payments	$	46,081	$	1,315,388	$	22,784	$	504	$	1,384,757
Less current portion	44,796		117,861		2,297		504		165,458
Long-term portion	$	1,285	$	1,197,527	$	20,487	$	—	$	1,219,299

Schedule of lease costs, lease terms and discount rates

The table below presents information for lease costs related to the Company's finance and operating leases:

	Year ended December 31. 2019
	(in thousands)
Finance lease cost
Amortization of leased assets	$	998
Interest of lease liabilities	674
Operating lease cost
Operating lease cost (1)	179,959
Short-term lease cost (1)	5,144
Variable lease cost (1)	140,417
Total lease cost	$	327,192

(1) Expenses are classified within aircraft rent and landing fees and other rents on the Company's statements of operations.

The table below presents lease-related terms and discount rates as of December 31, 2019:

	December 31, 2019
Weighted-average remaining lease term
Operating leases	13.0 years
Finance leases	0.1 years
Weighted-average discount rate
Operating leases	5.86	%
Finance leases	2.46	%