Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Schedule of Cash Obligations

The following table sets forth our cash obligations as of December 31, 2019:

			Payment Due for Year Ending December 31, (in thousands)
	Total		2020		2021		2022		2023		2024		Thereafter
Aircraft Notes principal	$	70,000	$	—	$	7,000	$	7,000	$	7,000	$	7,000	$	42,000
Aircraft Notes interest	$	16,497	$	5,647	$	2,729	$	2,451	$	2,170	$	1,890	$	1,610
Other Loans principal	$	34,186	$	7,198	$	13,029	$	13,959	$	—	$	—	$	—
Other Loans interest	$	3,193	$	1,664	$	1,230	$	299	$	—	$	—	$	—
Operating lease obligations	$	20,061	$	7,384	$	3,975	$	3,906	$	2,722	$	1,087	$	987
Total	$	143,937	$	21,893	$	27,963	$	27,615	$	11,892	$	9,977	$	44,597