Debt Obligations (Tables)

6 Months Ended

Jun. 30, 2020

Debt Disclosure [Abstract]

Schedule of notes payable

Debt obligations consisted of the following:

	June 30, 2020			December 31, 2019
	(in thousands)
Credit facility at a floating rate of interest of one-month LIBOR plus 1.75% at June 30, 2020, secured by engines. The facility has a committed amount of $1.0 billion at June 30, 2020, which revolves until the maturity date of June 2024	$	553,000		$	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	299,587			—
WEST V Series B 2020 term notes payable at a fixed rate of interest of 4.21%, maturing in March 2045, secured by engines	41,626			—
WEST V Series C 2020 term notes payable at a fixed rate of interest of 6.66%, maturing in March 2045, secured by engines	20,441			—
WEST IV Series A 2018 term notes payable at a fixed rate of interest of 4.75%, maturing in September 2043, secured by engines	290,679			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	41,526			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	244,421			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	34,953			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 June 30, 2020, maturing in July 2022, secured by engines	6,718			7,286
Note payable at a fixed rate of interest of 3.18%, maturing in July 2024, secured by an aircraft	8,193			9,124
	1,541,144			1,270,469
Less: unamortized debt issuance costs	(20,904		)	(19,463		)
Total debt obligations	$	1,520,240		$	1,251,006

Schedule or principal outstanding

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

Year	(in thousands)
2020	$	25,923
2021	53,000
2022	58,935
2023	54,063
2024	606,230
Thereafter	742,993
Total	$	1,541,144