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Debt Financing - Consolidated Debt (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Debt Instrument [Line Items] |  |
Total debt financing | $ 18,531,252 | $ 17,204,019
Less: Debt discounts and issuance costs | (195,177) | (181,539)
Debt financing, net of discounts and issuance costs | 18,336,075 | 17,022,480
Total unsecured debt financing |  |
Debt Instrument [Line Items] |  |
Total debt financing | 18,396,053 | 17,059,058
Senior notes |  |
Debt Instrument [Line Items] |  |
Total debt financing | 17,685,728 | 16,892,058
Term financings |  |
Debt Instrument [Line Items] |  |
Total debt financing | 190,325 | 167,000
Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Total debt financing | 520,000 | 0
Total secured debt financing |  |
Debt Instrument [Line Items] |  |
Total debt financing | 135,199 | 144,961
Term financings |  |
Debt Instrument [Line Items] |  |
Total debt financing | 120,226 | 126,660
Export credit financing |  |
Debt Instrument [Line Items] |  |
Total debt financing | $ 14,973 | $ 18,301

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