Quarterly report pursuant to Section 13 or 15(d)

ACQUISITIONS AND DISPOSITIONS (Details)

v3.5.0.2
ACQUISITIONS AND DISPOSITIONS (Details)
$ in Thousands
 3 Months Ended 6 Months Ended
Apr. 09, 2015
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2015
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2015
USD ($)
helicopter
Dec. 31, 2015
USD ($)
Property, Plant and Equipment [Line Items]            
Cash contribution       $ 0 $ 3,165  
Purchases of property and equipment       5,106 39,663  
Capitalized interest payments     $ 1,900   3,600  
Proceeds from disposition of property and equipment       5,910 8,384  
Gains (losses) on asset dispositions, net   $ 1,367 (242) 4,280 3,146  
Proceeds from sale of FBO       0 14,252  
Pre-tax gain on sale   0 12,946 0 12,946  
Construction in Progress            
Property, Plant and Equipment [Line Items]            
Interest capitalized in property and equipment   $ 4,500   $ 4,500   $ 4,700
Other Types of Properties and Equipment            
Property, Plant and Equipment [Line Items]            
Proceeds from disposition of property and equipment         8,400  
Gains (losses) on asset dispositions, net         1,900  
Equipment Leased to Other Party            
Property, Plant and Equipment [Line Items]            
Gains (losses) on asset dispositions, net         $ 1,200  
Number of disposals from purchase option | helicopter         3  
Investment in lease asset     $ 2,300   $ 2,300  
Hauser            
Property, Plant and Equipment [Line Items]            
Cash contribution $ 3,200          
Percentage of business acquired 75.00%          
Other intangible assets $ 1,400          
Partner's percent of ownership interest 25.00%          
Sicher Helicopters SAS            
Property, Plant and Equipment [Line Items]            
Percentage of business acquired 100.00%          
Era FBO LLC.            
Property, Plant and Equipment [Line Items]            
Percentage of subsidiary sold     100.00%   100.00%  
Proceeds from sale of FBO         $ 14,300  
Pre-tax gain on sale         $ 12,946