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Gain on Sale of ExpressJet (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jan. 22, 2019 | Jan. 11, 2019 | Mar. 31, 2019 | Dec. 31, 2019
Gain on sale | $ 46,500 |  | $ 46,500 | $ 46,525
Interest rate (as a percent) | 6.85% |  |  |
Asset Purchase Agreement | ExpressJet |  |  |  |
Proceeds from sale of equipment |  | $ 60,800 |  |
Stock Purchase Agreement | ExpressJet |  |  |  |
Cash received from stock sale | $ 18,800 |  |  |
Amount loaned to Kair Enterprises, Inc | $ 26,000 |  |  |

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