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Debt Obligations
 12 Months Ended
Dec. 31, 2024
Debt Disclosure [Abstract]  
Debt Obligations Debt Obligations
Debt obligations consisted of the following:

As of December 31,
20242023
(in thousands)
Credit facility at a floating rate of interest of one-month term Secured Overnight Financing Rate (“SOFR”) plus 2.60% at December 31, 2024, secured by engines, airframes, and loan assets. The facility has a committed amount of $1.0 billion at December 31, 2024, which revolves until the maturity date of October 2029.
$693,000 $353,000 
WEST VII Series A 2023 term notes payable at a fixed rate of interest of 8.00%, maturing in October 2048, secured by engines, airframes, and loan assets
356,355 406,894 
WEST VI Series A 2021 term notes payable at a fixed rate of interest of 3.10%, maturing in May 2046, secured by engines, airframes, and loan assets
241,065 252,986 
WEST VI Series B 2021 term notes payable at a fixed rate of interest of 5.44%, maturing in May 2046, secured by engines, airframes, and loan assets
33,486 35,142 
WEST VI Series C 2021 term notes payable at a fixed rate of interest of 7.39%, maturing in May 2046, secured by engines, airframes, and loan assets
9,926 12,361 
WEST V Series A 2020 term notes payable at a fixed rate of interest of 3.23%, maturing in March 2045, secured by engines
226,572 240,371 
WEST V Series B 2020 term notes payable at a fixed rate of interest of 4.21%, maturing in March 2045, secured by engines
31,563 33,485 
WEST V Series C 2020 term notes payable at a fixed rate of interest of 6.66%, maturing in March 2045, secured by engines
8,142 10,695 
WEST IV Series A 2018 term notes payable at a fixed rate of interest of 4.75%, maturing in September 2043, secured by engines
199,846 212,157 
WEST IV Series B 2018 term notes payable at a fixed rate of interest of 5.44%, maturing in September 2043, secured by engines
27,338 29,024 
WEST III Series A 2017 term notes payable at a fixed rate of interest of 4.69%, maturing in August 2042, secured by engines
161,308 175,705 
WEST III Series B 2017 term notes payable at a fixed rate of interest of 6.36%, maturing in August 2042, secured by engines
21,659 23,592 
WWFL credit facility at a floating rate of interest of one-month term SOFR, plus 2.25% at December 31, 2024, maturing in May 2029, secured by engines, airframes, and loan assets
221,882 — 
Note payable at a fixed rate of interest of 5.00%, maturing in February 2033, secured by an engine
20,780 — 
Note payable at a fixed rate of interest of 4.59%, maturing in November 2032, secured by an engine
22,094 22,610 
Note payable at a fixed rate of interest of 4.23%, maturing in June 2032, secured by an engine
17,710 17,802 
Note payable at a fixed rate of interest of 3.18%, matured in July 2024, secured by an aircraft
— 1,235 
 2,292,726 1,827,059 
Less: unamortized debt issuance costs and note discounts(28,174)(24,178)
Total debt obligations$2,264,552 $1,802,881 

One-month term SOFR was 4.37% and 5.38% as of December 31, 2024 and 2023, respectively.

As it relates to the $20.8 million, $22.1 million, and $17.7 million notes payable resulting from failed sale-leaseback transactions that are secured by engines, the Company has options to repurchase the engines in in March 2032 for $18.4 million, January 2032 for $17.7 million, and July 2031 for $17.0 million, respectively.

Principal outstanding at December 31, 2024, is expected to be repayable as follows:
Year(in thousands)
2025$70,690 
2026269,922 
2027192,331 
2028238,289 
20291,465,942 
Thereafter55,552 
Total$2,292,726 

In October 2024, the Company entered into a new, $1.0 billion, five-year, revolving credit facility with a consortium of lenders, refinancing its $500.0 million credit facility. The purpose of the revolving credit facility is to finance the acquisition of equipment for lease as well as for general working capital purposes, with the amounts drawn under the facility not to exceed that which is allowed under the borrowing base as defined by the credit agreement. As of December 31, 2024 and 2023, $307.0 million and $355.0 million were available under this facility, respectively. On a quarterly basis, the interest rate is adjusted based on the Company’s leverage ratio, as calculated under the terms of the revolving credit facility. Under the revolving credit facility, some subsidiaries except WEST III, WEST IV, WEST V, WEST VI, WEST VII, and WWFL jointly and severally guarantee payment and performance of the terms of the loan agreement. The guarantee would be triggered by a default under the agreement.

In May 2024, WWFL, a wholly-owned subsidiary of the Company, entered into a secured credit agreement with the Bank of Utah as security trustee and administrative agent and Bank of America, N.A. as facility agent. The secured credit agreement provides for a five-year non-recourse, senior secured warehouse credit facility with an availability period of two years and an initial committed amount of up to $500.0 million. The purpose of the senior secured warehouse credit facility is to finance the acquisition of equipment for lease as well as for general working capital purposes, with the amounts drawn under the facility not to exceed that which is allowed under the borrowing base as defined by the credit agreement. As of December 31, 2024, $278.1 million was available under this facility. On a quarterly basis, the interest rate is adjusted based on the Company’s leverage ratio, as calculated under the terms of the senior secured warehouse credit facility. Under the secured warehouse credit facility, some subsidiaries except WEST III, WEST IV, WEST V, WEST VI, and WEST VII jointly and severally guarantee payment and performance of the terms of the loan agreement. The guarantee would be triggered by a default under the agreement.

In October 2023, the Company and its direct, wholly-owned subsidiary WEST VII, closed its offering of $410.0 million aggregate principal amount of fixed rate notes. The notes are secured by, among other things, WEST VII’s direct and indirect interests in a portfolio of aircraft engines and airframes. The notes have a fixed coupon of 8.00%, an expected maturity in October 2029, and a final maturity date in October 2048. The notes were issued at a price of 98.84814% of par. Principal on the notes is payable monthly to the extent of available cash in accordance with a priority of payments included in the indenture.

The assets of WEST III, WEST IV, WEST V, WEST VI, WEST VII, and WWFL are not available to satisfy the Company’s obligations other than the obligations specific to that WEST entity or WWFL. WEST III, WEST IV, WEST V, WEST VI, WEST VII, and WWFL are consolidated for financial statement presentation purposes. WEST III’s, WEST IV’s, WEST V’s, WEST VI’s, WEST VII’s, and WWFL’s abilities to make distributions and pay dividends to the Company are subject to the prior payments of their debt and other obligations and their maintenance of adequate reserves and capital. Under WEST III, WEST IV, WEST V, WEST VI, WEST VII, and WWFL, cash is collected in restricted accounts, which is used to service the debt and any remaining amounts, after debt service and defined expenses, are distributed to the Company. Additionally, a portion of maintenance reserve payments and lease security deposits are formulaically accumulated in restricted accounts and are available to fund future maintenance events and to secure lease payments, respectively. The WEST III, WEST IV, WEST V, WEST VI, WEST VII, and WWFL indentures require that a minimum threshold of maintenance reserve and security deposit balances be held in restricted cash accounts.

Virtually all of the Company’s debt requires ongoing compliance with the covenants of each financing, including debt and tangible net worth ratios, minimum interest coverage ratios, and other eligibility criteria including asset type, customer and geographic concentration restrictions. The Company also has certain negative financial covenants such as liens, advances, changes in business, sales of assets, dividends and stock repurchases. Compliance with these covenants is tested either monthly, quarterly, or annually, as required, and the Company was in full compliance with all financial covenant requirements at December 31, 2024.