XML 58 R29.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Supplemental Cash Flow Information (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Supplemental Cash Flow Information |
Supplemental Cash Flow Information | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |
​ | ​ | Year Ended December 31, |
​ |  | 2019 |  | 2018 |  | 2017 |
​ | ​ | (in thousands) |
Non-cash investing and financing transactions: | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​
Reclassification of notes receivable to lease incentives (Note 7) | ​ | $ | 200 | ​ | $ | — | ​ | $ | — | ​
Restricted stock issued, net of cancellations (Note 10) | ​ |  | — | ​ |  | 1 | ​ |  | 1 | ​

X
- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SupplementalCashFlowInformationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration