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Equity (Tables)
 12 Months Ended
Dec. 31, 2018
Equity [Abstract]  
Schedule of accumulated other comprehensive income
Accumulated other comprehensive income (loss) at December 31, 2018, 2017 and 2016 was as follows ($ in thousands):
 
 
For the year ended December 31,
 
 
2018
 
2017
 
2016
Investment in securities:
 
 
 
 
 
 
Unrealized gains
 
$
506

 
$
9

 
$
—

Unrealized losses
 
(1,081
)
 
(242
)
 
—

Income tax related to items of other comprehensive income
 
—

 
—

 
—

Accumulated other comprehensive income (loss)
 
$
(575
)
 
$
(233
)
 
$
—