Notes Payable (Tables)

12 Months Ended

Dec. 31, 2016

Notes Payable

Schedule of notes payable

	As of December 31,
	2016		2015
	(in thousands)
Credit facility at a floating rate of interest of LIBOR plus 2.75%, secured by engines. The facility has a committed amount of $890.0 million at December 31, 2016, which revolves until the maturity date of April 2021.	$	608,000	$	549,000
WEST II Series 2012-A term notes payable at a fixed rate of interest of 5.50%, maturing in September 2037. Secured by engines.		279,541		300,467
Note payable at fixed interest rates ranging from 2.60% to 2.97%, maturing in July 2024. Secured by an aircraft.		14,453		16,135
Note payable at a variable interest rate of LIBOR plus 2.25%, maturing in January 2018. Secured by engines.		11,709		13,082
Notes payable		913,703		878,684
Less: unamortized debt issuance costs		(13,448)		(12,595)
Total notes payable	$	900,255	$	866,089

Schedule or principal outstanding

Year	(in thousands)
2017	$	23,624
2018		33,294
2019		23,430
2020		23,031
2021 (includes $608.0 million outstanding on revolving credit facility)		631,268
Thereafter		179,056
	$	913,703