Debt Obligations (Tables)

9 Months Ended

Sep. 30, 2020

Debt Disclosure [Abstract]

Schedule of notes payable

Debt obligations consisted of the following:

	September 30, 2020		December 31, 2019
	(in thousands)
Credit facility at a floating rate of interest of one-month LIBOR plus 1.38% at September 30, 2020, secured by engines. The facility has a committed amount of $1.0 billion at September 30, 2020, which revolves until the maturity date of June 2024	$	518,000	$	397,000
WEST V Series A 2020 term notes payable at a fixed rate of interest of 3.23%, maturing in March 2045, secured by engines	296,101		—
WEST V Series B 2020 term notes payable at a fixed rate of interest of 4.21%, maturing in March 2045, secured by engines	41,152		—
WEST V Series C 2020 term notes payable at a fixed rate of interest of 6.66%, maturing in March 2045, secured by engines	19,781		—
WEST IV Series A 2018 term notes payable at a fixed rate of interest of 4.75%, maturing in September 2043, secured by engines	283,651		307,014
WEST IV Series B 2018 term notes payable at a fixed rate of interest of 5.44%, maturing in September 2043, secured by engines	40,522		43,859
WEST III Series A 2017 term notes payable at a fixed rate of interest of 4.69%, maturing in August 2042, secured by engines	235,790		257,754
WEST III Series B 2017 term notes payable at a fixed rate of interest of 6.36%, maturing in August 2042, secured by engines	33,719		36,860
WEST II Series A 2012 term notes payable at a fixed rate of interest of 5.50%, repaid in March 2020, secured by engines	—		211,572
Note payable at three-month LIBOR plus a margin ranging from 1.85% to 2.50% at September 30, 2020, maturing in July 2022, secured by engines	6,429		7,286
Note payable at a fixed rate of interest of 3.18%, maturing in July 2024, secured by an aircraft	7,722		9,124
	1,482,867		1,270,469
Less: unamortized debt issuance costs	(20,137)		(19,463)
Total debt obligations	$	1,462,730	$	1,251,006

Schedule or debt maturities

Principal outstanding at September 30, 2020, is expected to be repayable as follows:

Year	(in thousands)
2020	$	14,996
2021	52,529
2022	58,398
2023	53,527
2024	570,693
Thereafter	732,724
Total	$	1,482,867