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v3.23.1

Debt Obligations - Schedule of Notes Payable (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 USD ($) airframe | Dec. 31, 2022 USD ($)
Long Term Debt |  |
Gross amount of debt | $ 1,850,631,000 | $ 1,862,089,000
Less: unamortized debt issuance costs | (13,743,000) | (14,811,000)
Total debt obligations | 1,836,888,000 | 1,847,278,000
Credit facility at a floating rate of interest of one-month LIBOR plus 1.75% at March 31, 2023, secured by engines. The facility has a committed amount of $1.0 billion at March 31, 2023, which revolves until the maturity date of June 2024 |  |
Long Term Debt |  |
Line of credit facility outstanding amount | $ 742,000,000 | 727,000,000
WEST VI Series A 2021 term notes payable at a fixed rate of interest of 3.10%, maturing in May 2046, secured by engines and one airframe |  |
Long Term Debt |  |
Fixed rate (as a percent) | 3.10% |
Number of assets used to secure debt | airframe | 1 |
Gross amount of debt | $ 259,738,000 | 262,779,000
WEST VI Series B 2021 term notes payable at a fixed rate of interest of 5.44%, maturing in May 2046, secured by engines and one airframe |  |
Long Term Debt |  |
Fixed rate (as a percent) | 5.44% |
Number of assets used to secure debt | airframe | 1 |
Gross amount of debt | $ 36,080,000 | 36,502,000
WEST VI Series C 2021 term notes payable at a fixed rate of interest of 7.39%, maturing in May 2046, secured by engines and one airframe |  |
Long Term Debt |  |
Fixed rate (as a percent) | 7.39% |
Number of assets used to secure debt | airframe | 1 |
Gross amount of debt | $ 14,109,000 | 14,738,000
WEST V Series A 2020 term notes payable at a fixed rate of interest of 3.23%, maturing in March 2045, secured by engines |  |
Long Term Debt |  |
Fixed rate (as a percent) | 3.23% |
Gross amount of debt | $ 251,639,000 | 255,136,000
WEST V Series B 2020 term notes payable at a fixed rate of interest of 4.21%, maturing in March 2045, secured by engines |  |
Long Term Debt |  |
Fixed rate (as a percent) | 4.21% |
Gross amount of debt | $ 35,055,000 | 35,542,000
WEST V Series C 2020 term notes payable at a fixed rate of interest of 6.66%, maturing in March 2045, secured by engines |  |
Long Term Debt |  |
Fixed rate (as a percent) | 6.66% |
Gross amount of debt | $ 12,669,000 | 13,314,000
WEST IV Series A 2018 term notes payable at a fixed rate of interest of 4.75%, maturing in September 2043, secured by engines |  |
Long Term Debt |  |
Fixed rate (as a percent) | 4.75% |
Gross amount of debt | $ 231,268,000 | 238,072,000
WEST IV Series B 2018 term notes payable at a fixed rate of interest of 5.44%, maturing in September 2043, secured by engines |  |
Long Term Debt |  |
Fixed rate (as a percent) | 5.44% |
Gross amount of debt | $ 36,241,000 | 36,386,000
WEST III Series A 2017 term notes payable at a fixed rate of interest of 4.69%, maturing in August 2042, secured by engines |  |
Long Term Debt |  |
Fixed rate (as a percent) | 4.69% |
Gross amount of debt | $ 198,785,000 | 209,061,000
WEST III Series B 2017 term notes payable at a fixed rate of interest of 6.36%, maturing in August 2042, secured by engines |  |
Long Term Debt |  |
Fixed rate (as a percent) | 6.36% |
Gross amount of debt | $ 30,255,000 | 30,255,000
Note payable at a fixed rate of interest of 3.18%, maturing in July 2024, secured by an aircraft |  |
Long Term Debt |  |
Fixed rate (as a percent) | 3.18% |
Gross amount of debt | $ 2,792,000 | $ 3,304,000
Revolving credit facility | Credit facility at a floating rate of interest of one-month LIBOR plus 1.75% at March 31, 2023, secured by engines. The facility has a committed amount of $1.0 billion at March 31, 2023, which revolves until the maturity date of June 2024 |  |
Long Term Debt |  |
Line of credit facility, maximum borrowing capacity | $ 1,000,000,000.0 |
LIBOR | Credit facility at a floating rate of interest of one-month LIBOR plus 1.75% at March 31, 2023, secured by engines. The facility has a committed amount of $1.0 billion at March 31, 2023, which revolves until the maturity date of June 2024 |  |
Long Term Debt |  |
Variable rate (as a percent) | 1.75% |

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