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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2024
Income Tax Disclosure [Abstract]  
Schedule of Components of Income From Continuing Operation Before Income Taxes
The components of income before income taxes are as follows:

 Years ended December 31,
 20242023
 (in thousands)
United States$165,339 $73,853 
Foreign(12,694)(6,723)
Income before income taxes$152,645 $67,130 
Schedule of Components of Income Tax Expense
The components of income tax expense for the years ended December 31, 2024 and 2023 were as follows:

 FederalStateForeignTotal
 (in thousands)
2024    
Current$2,331 $2,916 $205 $5,452 
Deferred38,871 (290)— 38,581 
Total$41,202 $2,626 $205 $44,033 
2023
Current$2,449 $1,387 $(139)$3,697 
Deferred16,338 3,314 — 19,652 
Total$18,787 $4,701 $(139)$23,349 
Schedule of Reconciliation of the Federal Income Tax Expense at the Statutory Rate to the Effective Income Tax Expense
The following is a reconciliation of the federal income tax expense at the statutory rate of 21% for the years ended December 31, 2024 and 2023 to the effective income tax expense:

 Years Ended December 31,
 20242023
 (in thousands)
Statutory federal income tax expense$32,055 $14,097 
State taxes, net of federal benefit2,014 4,410 
Foreign tax paid(559)(169)
Foreign jurisdiction rate differential445 545 
Permanent differences - nondeductible executive compensation6,553 2,929 
Permanent differences and other1,355 1,046 
Valuation allowance2,170 491 
Effective income tax expense$44,033 $23,349 
Schedule of Activity Related to the Company's Unrecognized Tax Benefits
The following table summarizes the activity related to the Company’s unrecognized tax benefits:

 (in thousands)
Balance as of December 31, 2022$19 
Increases related to current year tax positions435 
Decreases due to tax positions expired(5)
Balance as of December 31, 2023449 
Increases related to current year tax positions123 
Decreases due to tax positions expired(5)
Balance as of December 31, 2024$567 
Schedule of Tax Effects of Temporary Differences of the Deferred Tax Assets and Liabilities
The tax effects of temporary differences that give rise to significant portions of the deferred tax assets and liabilities are presented below:

 As of December 31,
 20242023
 (in thousands)
Deferred tax assets:  
Unearned lease revenue$8,335 $9,614 
State taxes590 167 
Inventory2,770 2,426 
Reserves and allowances4,629 5,471 
Other accruals46,144 29,231 
Lease liability584 934 
Net operating loss carry forward40,906 51,240 
Charitable contributions— 
Total deferred tax assets103,958 99,085 
Less: valuation allowance(3,137)(978)
Net deferred tax assets100,821 98,107 
Deferred tax liabilities:
Depreciation and impairment on aircraft engines and equipment(272,492)(231,694)
Notes receivable(5,181)(5,405)
Lease liability(597)(930)
Other deferred tax liabilities(5,619)(4,622)
Net deferred tax liabilities(283,889)(242,651)
Other comprehensive income deferred tax liability(1,981)(3,235)
Net deferred tax liabilities$(185,049)$(147,779)