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VARIABLE INTEREST ENTITIES (Tables)
12 Months Ended
Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Variable Interest Entities
The following table represents the carrying value of the associated assets and liabilities and the associated maximum loss exposure for the alternative energy partnerships as of the dates indicated:
 
 
December 31,
($ in thousands)
 
2017
 
2016
Cash
 
$
16,518

 
$

Equipment, net of depreciation
 
246,297

 
151,721

Other assets
 
2,444

 
351

Total unconsolidated assets
 
$
265,259

 
$
152,072

Total unconsolidated liabilities
 
$
7,181

 
$

Maximum loss exposure
 
$
98,910

 
$
68,298