XML 71 R33.htm IDEA: XBRL DOCUMENT v3.20.1
Organization and Operations - Additional Information (Detail)
$ in Thousands
 1 Months Ended 6 Months Ended 12 Months Ended
Apr. 03, 2020
Air-craft
Jan. 02, 2020
Air-craft
Nov. 26, 2019
Air-craft
Nov. 25, 2019
Air-craft
Jan. 31, 2019
Air-craft
Apr. 30, 2020
USD ($)
Block_Hour
Installment
Jul. 31, 2019
Air-craft
Mar. 31, 2020
USD ($)
Daily_Departure
State
Air-craft
City
Employee
Mar. 31, 2019
USD ($)
Apr. 30, 2020
USD ($)
Installment
Sep. 30, 2019
USD ($)
Apr. 02, 2019
Air-craft
Organization Consolidation And Presentation Of Financial Statements [Line Items]                        
Number of states in which entity operates | State               39        
Number of aircrafts operated               145        
Number of cities in which entity operates | City               135        
Number of daily departures | Daily_Departure               662        
Number of employees | Employee               3,600        
Cash and cash equivalents | $               $ 52,399     $ 68,855  
Reducing planned heavy engine and airframe maintenance events | $               3,700        
Drew amount from undrawn revolving credit facility | $               $ 23,000 $ 91,200      
Maximum number of aircraft to permanently withdraw in the event company fails to meet new/ revise performance metrics         6              
Number of aircraft converted to be utilized as operational spares                       2
Number of aircraft permanently withdraw due to failure to meet new/revised performance metrics             2          
American capacity purchase agreement termination notice period               15 days        
Number of additional aircraft permanently withdrawn due to company's failure to meet certain performance metrics       2                
Number of deferred aircraft elected to remove   1                    
Maximum number of aircraft to withdraw in the event company fails to meet new/ revise performance metrics               14        
Number of aircraft removed due to failure to meet new/revised performance metrics   3                    
Notice period for termination of agreement               Our United Capacity Purchase Agreement permits United, subject to certain conditions, including the payment of certain costs tied to aircraft type, to terminate the agreement in its discretion, or remove aircraft from service, by giving us notice of 90 days or more.        
Number of leased aircraft               18        
United capacity purchase agreement termination notice period               30 days        
Minimum [Member]                        
Organization Consolidation And Presentation Of Financial Statements [Line Items]                        
Capacity purchase agreement, expiration year               2021        
Maximum [Member]                        
Organization Consolidation And Presentation Of Financial Statements [Line Items]                        
Capacity purchase agreement, expiration year               2025        
CRJ-900 Aircraft [Member]                        
Organization Consolidation And Presentation Of Financial Statements [Line Items]                        
Number of aircrafts operated               59        
CRJ-900 Aircraft [Member] | Aircraft Lease Expire In 2021 [Member]                        
Organization Consolidation And Presentation Of Financial Statements [Line Items]                        
Number of operated aircrafts expired or set to expire               30        
Lease expiration year               2021        
CRJ-900 Aircraft [Member] | Aircraft Lease Expire In 2021 [Member]                        
Organization Consolidation And Presentation Of Financial Statements [Line Items]                        
Number of operated aircrafts expired or set to expire               19        
Lease expiration year               2022        
CRJ-900 Aircraft [Member] | Aircraft Lease Expire In 2025 [Member]                        
Organization Consolidation And Presentation Of Financial Statements [Line Items]                        
Number of operated aircrafts expired or set to expire               7        
Lease expiration year               2025        
CRJ-700 Aircraft [Member]                        
Organization Consolidation And Presentation Of Financial Statements [Line Items]                        
Number of aircrafts operated               20        
Number of leased aircraft     20                  
CRJ-700 Aircraft [Member] | United [Member]                        
Organization Consolidation And Presentation Of Financial Statements [Line Items]                        
Aircraft lease term     7 years                  
E-175 Aircraft [Member]                        
Organization Consolidation And Presentation Of Financial Statements [Line Items]                        
Number of aircrafts operated     18         60        
Lease expiration year     2028                  
E-175 Aircraft [Member] | Mesa [Member]                        
Organization Consolidation And Presentation Of Financial Statements [Line Items]                        
Number of aircrafts operated               18        
E-175 Aircraft [Member] | United [Member]                        
Organization Consolidation And Presentation Of Financial Statements [Line Items]                        
Number of aircrafts operated     42         42        
Aircraft lease extension period     5 years                  
E-175 Aircraft [Member] | Minimum [Member] | United [Member]                        
Organization Consolidation And Presentation Of Financial Statements [Line Items]                        
Lease expiration year     2024                  
E-175 Aircraft [Member] | Maximum [Member] | United [Member]                        
Organization Consolidation And Presentation Of Financial Statements [Line Items]                        
Lease expiration year     2028                  
E175LL Aircraft [Member]                        
Organization Consolidation And Presentation Of Financial Statements [Line Items]                        
Number of additional aircrafts     20                  
Number of years in operation     12 years                  
Air drafts delivery month and year description.               Deliveries of the new E175LL aircraft are scheduled to begin in May 2020 and be completed by December 31, 2020.        
Termination of aircraft operation, description               Commencing five (5) years after the actual in-service date, United has the right to remove the E175LL aircraft from service by giving us notice of 90 days or more, subject to certain conditions, including the payment of certain wind-down expenses plus, if removed prior to the ten (10) year anniversary of the in-service date, certain accelerated margin payments.        
Revolving Credit Facility [Member]                        
Organization Consolidation And Presentation Of Financial Statements [Line Items]                        
Drew amount from undrawn revolving credit facility | $               $ 23,000        
Subsequent Event [Member]                        
Organization Consolidation And Presentation Of Financial Statements [Line Items]                        
Number of block hours | Block_Hour           10,297            
Percentage of reduction in block hours                   72.40%    
CARES act grant amount | $           $ 92,500            
CARES act, grants received under first installment | $           30,800            
CARES act, remaining grants yet to receive | $           $ 61,600       $ 61,600    
Number of installments to receive remaining grants | Installment           4       4    
CARES Act Of 2020 submitted for loan under loan program loan for working capital | $           $ 184            
CARES Act Of 2020 submitted for loan under loan program loan for financing new equipment | $           568            
CARES Act Of 2020 submitted for loan under loan program loan for financing existing equipment | $           $ 252            
Number of aircraft that would be withdrawn at any time due to failure to meet new/revised performance metrics 3