FINANCE LEASES, NET - Summary (Details) - Equipment Leasing - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Capital Leased Assets [Line Items]    
Finance leases $ 102,369 $ 131,537
Unearned revenue (19,848) (28,724)
Finance leases, net 82,521 102,813
Reportable Subsegments | Operating Segments | Offshore Energy    
Capital Leased Assets [Line Items]    
Finance leases 20,037 22,045
Unearned revenue (9,915) (11,580)
Finance leases, net 10,122 10,465
Reportable Subsegments | Operating Segments | Shipping Containers    
Capital Leased Assets [Line Items]    
Finance leases 82,332 109,492
Unearned revenue (9,933) (17,144)
Finance leases, net $ 72,399 $ 92,348