Quarterly report pursuant to Section 13 or 15(d)

RELATED PARTY TRANSACTIONS (Details)

v3.19.1
RELATED PARTY TRANSACTIONS (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Dart      
Related Party Transaction [Line Items]      
Amount of purchased products $ 0.6 $ 0.7  
Note receivable     $ 2.3
Training Services | Era Training Center, LLC      
Related Party Transaction [Line Items]      
Payments for services   0.1  
Era Training Center | Helicopter, Management and Other Services | Era Training Center, LLC      
Related Party Transaction [Line Items]      
Expenses from transactions with related party   0.1  
General and Administrative Expense | SEACOR      
Related Party Transaction [Line Items]      
Expenses from transactions with related party $ 0.1 $ 0.1