Debt Obligations (Tables)

9 Months Ended

Sep. 30, 2019

Debt Disclosure [Abstract]

Schedule of notes payable

Debt obligations consisted of the following:

	September 30, 2019			December 31, 2018
	(in thousands)
Credit facility at a floating rate of interest of one-month LIBOR plus 1.375% at September 30, 2019, secured by engines. The facility has a committed amount of $1.0 billion at September 30, 2019, which revolves until the maturity date of June 2024	$	384,000		$	427,000
WEST IV Series A 2018 term notes payable at a fixed rate of interest of 4.75%, maturing in September 2043, secured by engines	311,606			323,075
WEST IV Series B 2018 term notes payable at a fixed rate of interest of 5.44%, maturing in September 2043, secured by engines	44,515			46,154
WEST III Series A 2017 term notes payable at a fixed rate of interest of 4.69%, maturing in August 2042, secured by engines	262,902			274,205
WEST III Series B 2017 term notes payable at a fixed rate of interest of 6.36%, maturing in August 2042, secured by engines	37,596			39,212
WEST II Series A 2012 term notes payable at a fixed rate of interest of 5.50%, maturing in September 2037, secured by engines	221,445			237,847
Note payable at three-month LIBOR plus a margin ranging from 1.85% to 2.50% at September 30, 2019, maturing in July 2022, secured by engines	7,565			—
Note payable at fixed rate of interest of 3.18%, maturing in July 2024, secured by an aircraft	9,587			10,937
	1,279,216			1,358,430
Less: unamortized debt issuance costs	(20,232		)	(21,081		)
Total debt obligations	$	1,258,984		$	1,337,349

Schedule or principal outstanding

Principal outstanding at September 30, 2019, is expected to be repayable as follows:

Year	(in thousands)
2019	$	13,920
2020	56,118
2021	56,415
2022 (includes $163.1 million outstanding on WEST II Series A 2012 term notes)	212,674
2023	34,019
Thereafter	906,070
Total	$	1,279,216