XML 114 R95.htm IDEA: XBRL DOCUMENT v3.21.1
DEFINED CONTRIBUTION 401K (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Apr. 10, 2018
Dec. 31, 2018
Dec. 31, 2020
Dec. 31, 2019
DEFINED CONTRIBUTION 401(K) PLAN        
Employee's maximum contribution allowed (as a percent)     50.00%  
Matching contribution of participants' contribution (as a percent)     100.00%  
Non-discretionary contribution for pilots based on gross earnings     2.00%  
Non-Discretionary $ 308 $ 592 $ 1,040 $ 908
Discretionary 1,026 2,436 4,263 4,246
Total 401(k) Contributions $ 1,334 $ 3,028 $ 5,303 $ 5,154
Non Pilot Employees [Member]        
DEFINED CONTRIBUTION 401(K) PLAN        
Maximum contribution as a percent of participants' compensation     4.00%  
Pilot Employees [Member]        
DEFINED CONTRIBUTION 401(K) PLAN        
Maximum contribution as a percent of participants' compensation     6.00%