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v3.20.4

Long-term Debt (Details) $ / shares in Units, $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2020 USD ($) aircraft $ / shares shares | Oct. 28, 2020 USD ($) | Sep. 30, 2020 USD ($) | Dec. 31, 2019 USD ($)
Debt Instrument [Line Items] |  |  |  |
Total long-term debt | $ 3,236,002 |  |  | $ 3,017,523
Current portion of long-term debt | (406,005) |  |  | (367,954)
Less long-term portion of unamortized debt issue cost, net | (28,459) |  |  | (20,580)
Long-term debt, net of current maturities and debt issue costs | 2,801,538 |  |  | 2,628,989
Current portion of long-term debt | 406,005 |  |  | 367,954
Less current portion of unamortized debt issue cost, net | (3,847) |  |  | (3,828)
Current portion of long-term debt, net of debt issue costs | $ 402,158 |  |  | $ 364,126
Effective interest rate (as a percent) | 4.00% |  |  | 4.20%
Aggregate amounts of principal maturities of long-term debt |  |  |  |
2021 | $ 406,005 |  |  |
2022 | 407,554 |  |  |
2023 | 418,048 |  |  |
2024 | 372,322 |  |  |
2025 | 447,251 |  |  |
Thereafter | 1,184,822 |  |  |
Repayment of debt in cash | 30,100 |  |  |
Total repayment of debt | 30,100 |  |  |
Letters of credit | 35,500 |  |  | $ 8,800
Current borrowing capacity | 39,500 |  |  | 66,200
Letters of credit and surety bonds outstanding with various banks and surety institutions | $ 61,100 |  |  | 61,700
E175 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Number of aircraft delivered | aircraft | 6 |  |  |
Purchase of aircraft financed through long-term debt | $ 107,700 |  |  |
Debt instrument, term | 12 years |  |  |
CRJ 700 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Number of aircraft delivered | aircraft | 21 |  |  |
Purchase of aircraft financed through long-term debt | $ 133,500 |  |  |
CRJ 700 | Quarterly Installments |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate (as a percent) | 3.50% |  |  |
Number of aircraft delivered | aircraft | 10 |  |  |
Debt instrument, term | 7 years 6 months |  |  |
CRJ 700 | Monthly Installments |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate (as a percent) | 4.00% |  |  |
Number of aircraft delivered | aircraft | 11 |  |  |
Debt instrument, term | 5 years |  |  |
Minimum | E175 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate (as a percent) | 2.30% |  |  |
Maximum | E175 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate (as a percent) | 3.45% |  |  |
Promissory note |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Common stock value issued | $ 5,000 |  |  |
Warrants to purchase shares | shares | 370,720 |  |  |
Warrants exercise price | $ / shares | $ 28.38 |  |  |
Warrant term | 5 years |  |  |
Long-term debt | $ 105,200 |  |  |
Principal amount | 105,200 |  |  |
Secured loan |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total long-term debt | 60,000 |  |  |
Common stock value issued | $ 3,200 |  |  |
Number of subsequent borrowings | aircraft | 2 |  |  |
Warrants to purchase shares | shares | 211,416 |  |  |
Warrants exercise price | $ / shares | $ 28.38 |  |  |
Warrant term | 5 years |  |  |
Aggregate amounts of principal maturities of long-term debt |  |  |  |
Maximum borrowing capacity |  | $ 725,000 | $ 573,000 |
Notes payable to a financing company, due in semi-annual installments, with a fixed interest rate of 3.25% through 2021, secured by aircraft |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate (as a percent) | 3.25% |  |  |
Total long-term debt | $ 6,205 |  |  | 18,412
Notes payable to banks, due in semi-annual installments plus interest at 6.24% to 6.51% through 2021, secured by aircraft |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total long-term debt | $ 7,608 |  |  | 22,557
Notes payable to banks, due in semi-annual installments plus interest at 6.24% to 6.51% through 2021, secured by aircraft | Minimum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate (as a percent) | 6.24% |  |  |
Notes payable to banks, due in semi-annual installments plus interest at 6.24% to 6.51% through 2021, secured by aircraft | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate (as a percent) | 6.51% |  |  |
Notes payable to banks, due in monthly or semi-annual installments, plus interest at 2.68% to 6.86% through 2029, secured by aircraft |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total long-term debt | $ 424,407 |  |  | 438,878
Notes payable to banks, due in monthly or semi-annual installments, plus interest at 2.68% to 6.86% through 2029, secured by aircraft | Minimum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate (as a percent) | 2.68% |  |  |
Notes payable to banks, due in monthly or semi-annual installments, plus interest at 2.68% to 6.86% through 2029, secured by aircraft | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate (as a percent) | 6.86% |  |  |
Notes payable to banks, due in quarterly installments, plus interest at 2.33% to 5.08% through 2032, secured by aircraft |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total long-term debt | $ 2,618,777 |  |  | 2,537,676
Notes payable to banks, due in quarterly installments, plus interest at 2.33% to 5.08% through 2032, secured by aircraft | Minimum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate (as a percent) | 2.33% |  |  |
Notes payable to banks, due in quarterly installments, plus interest at 2.33% to 5.08% through 2032, secured by aircraft | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate (as a percent) | 5.08% |  |  |
Notes payable to bank, due in monthly installments interest based on LIBOR plus interest spread at 2.65% through 2021 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total long-term debt | $ 13,795 |  |  |
Notes payable to US Government, interest due quarterly based on LIBOR plus interest spread currently at 3.22% through 2025, secured by parts and engines |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total long-term debt | $ 60,000 |  |  |
Basis spread on variable rate | 3.22% |  |  |
Notes payable to US Government, interest due quarterly at 1.00% through 2025 and based on SOFR plus spread from 2025 through 2030, unsecured |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total long-term debt | $ 105,210 |  |  |
Primarily related to acquisition of aircraft and certain spare engines |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total long-term debt | 3,070,000 |  |  | 3,020,000
Line of credit |  |  |  |
Aggregate amounts of principal maturities of long-term debt |  |  |  |
Maximum borrowing capacity | 75,000 |  |  | 75,000
Amount outstanding | $ 0 |  |  | $ 0
LIBOR | Notes payable to bank, due in monthly installments interest based on LIBOR plus interest spread at 2.65% through 2021 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate | 2.65% |  |  |
LIBOR | Notes payable to US Government, interest due quarterly at 1.00% through 2025 and based on SOFR plus spread from 2025 through 2030, unsecured |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate | 1.00% |  |  |
LIBOR | Line of credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate | 2.50% |  |  |

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