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Long-Term Debt Schedule of Maturities of Long-Term Debt (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 USD ($) Aircraft | Mar. 31, 2019 USD ($) | Dec. 31, 2019 USD ($)
Debt Instrument [Line Items] |  |  |
Gain (Loss) on Extinguishment of Debt | $ (1,222) | $ (3,677) |
Line of Credit Facility, Fair Value of Amount Outstanding |  |  | $ 81,000
Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year | 140,900 |  |
Long-term Debt, Maturities, Repayments of Principal in Year Two | 185,800 |  |
Long-term Debt, Maturities, Repayments of Principal in Year Three | 117,800 |  |
Long-term Debt, Maturities, Repayments of Principal in Year Four | 105,000 |  |
Long-term Debt, Maturities, Repayments of Principal in Year Five | 639,100 |  |
Long-term Debt, Maturities, Repayments of Principal after Year Five | $ 299,400 |  |
Senior Secured Revolving Credit Facility |  |  |
Debt Instrument [Line Items] |  |  |
Number Of Aircrafts Included As Collateral | Aircraft | 8 |  |

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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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