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Income Tax (Tables)
12 Months Ended
Dec. 31, 2022
Income Tax Disclosure [Abstract]  
Schedule of Provision for Income Taxes The provision for income taxes consists of the following:
Year Ended
December 31,
202220212020
(in thousands)
Current:
Federal
$— $— $(38,520)
State
113 184 (107)
Foreign
1,750 6,754 2,574 
Deferred:
Federal
(43,414)94,050 163,002 
State
(190)3,396 3,465 
Foreign
— — — 
Income tax expense$(41,741)$104,384 $130,414 
Schedule of Differences Between the Provision for Income Taxes and Income Taxes at the Statutory Federal Income Tax Rate
Differences between the provision for income taxes and income taxes at the statutory federal income tax rate are as follows:

Year Ended
December 31,
202220212020
AmountPercentAmountPercentAmountPercent
(in thousands, except percentages)
Income taxes at statutory federal rate
$(29,141)21.0 %$113,613 21.0 %$135,802 21.0 %
Effect of rates different than statutory(10,728)7.7 (8,067)(1.5)(5,329)(0.8)
Foreign tax credit
(8,274)6.0 (15,651)(2.9)(9,464)(1.5)
Section 162(m) limitation3,913 (2.8)3,808 0.7 2,736 0.4 
Foreign income taxes1,750 (1.3)6,754 1.3 2,575 0.4 
State income taxes, net of federal income tax effect and other
(61)0.1 2,828 0.5 2,653 0.4 
Other800 (0.6)1,099 0.2 1,441 0.2 
Income tax (benefit)/expense
$(41,741)30.1 %$104,384 19.3 %$130,414 20.1 %
Schedule of Net Deferred Tax Assets (Liabilities)
As of December 31, 2022 and 2021, the Company’s net deferred tax assets (liabilities) are as follows:

December 31, 2022December 31, 2021
(in thousands)
Deferred tax assets
Interest expense limitation$102,125 $— 
Net operating losses 82,821 127,591 
Foreign tax credit77,273 78,286 
Rents received in advance 28,909 26,702 
Other 10,638 19,743 
Accrued bonus 3,965 4,349 
Equity compensation 3,444 4,462 
Total deferred tax assets309,175 261,133 
Deferred tax liabilities
Aircraft depreciation $(1,222,772)$(1,219,061)
Straight-line rents (57,200)(55,342)
Total deferred tax liabilities$(1,279,972)$(1,274,403)
Net deferred tax assets/(liabilities)
$(970,797)$(1,013,270)
Summary of Net Operating Loss Carryforwards Expiration The Company's loss and tax credit carryforwards expire in the following periods:
NOL CarryforwardsTax Credit Carryforwards
(in thousands)
2023-2027$— $24,099 
Thereafter410,273 53,174 
Total carryforwards
$410,273 $77,273 
Summary of Tax Credit Carryforwards Expiration The Company's loss and tax credit carryforwards expire in the following periods:
NOL CarryforwardsTax Credit Carryforwards
(in thousands)
2023-2027$— $24,099 
Thereafter410,273 53,174 
Total carryforwards
$410,273 $77,273