Aircraft Held for Sale - Narrative (Details) $ in Thousands |
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
|
Dec. 31, 2015
USD ($)
aircraft
|
Mar. 31, 2015
USD ($)
aircraft
|
Dec. 31, 2015
USD ($)
aircraft
|
Dec. 31, 2014
USD ($)
|
Dec. 31, 2013
USD ($)
|
|
| Long Lived Assets Held-for-sale [Line Items] | |||||
| Impairment charge on aircraft held for sale | $ | $ 8,100 | $ 7,100 | $ 15,236 | $ 0 | $ 0 |
| Aircraft | |||||
| Long Lived Assets Held-for-sale [Line Items] | |||||
| Sale period (in years) | 1 year | ||||
| Number of aircraft classified as held for sale during period | aircraft | 8 | 9 | |||
| Number of aircraft held for sale | aircraft | 15 | 15 | |||
| Impairment charge on aircraft held for sale | $ | $ 14,859 | ||||