Quarterly report pursuant to Section 13 or 15(d)

ACQUISITIONS AND DISPOSITIONS (Details)

v3.4.0.3
ACQUISITIONS AND DISPOSITIONS (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2016
USD ($)
helicopter
Mar. 31, 2015
USD ($)
Dec. 31, 2015
USD ($)
Property, Plant and Equipment [Line Items]      
Purchases of property and equipment $ 2,145 $ 8,866  
Capitalized interest payments 0 1,700  
Proceeds from disposition of property and equipment 3,980 5,379  
Gains on asset dispositions, net 2,913 3,388  
Investment in sales-type leases 1,200    
Construction in Progress      
Property, Plant and Equipment [Line Items]      
Interest capitalized in property and equipment 4,300   $ 4,700
Other Types of Properties and Equipment      
Property, Plant and Equipment [Line Items]      
Proceeds from disposition of property and equipment   5,400  
Gains on asset dispositions, net   $ 2,200  
Equipment Leased to Other Party      
Property, Plant and Equipment [Line Items]      
Gains on asset dispositions, net $ 1,200    
Number of disposals from purchase option | helicopter 3    
Investment in lease asset $ 2,300