Quarterly report pursuant to Section 13 or 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Reclassification of AOCI) (Details)

v3.10.0.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Reclassification of AOCI) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]        
Realized and unrealized (gain) loss on investments $ 48 $ (315) $ (283) $ 6,361
Net (income) loss 14,075 469 35,175 18,129
Total reclassifications        
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]        
Net (income) loss 0 (2,345) 0 (2,345)
Total reclassifications | Net realized (gain) on securities        
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]        
Realized and unrealized (gain) loss on investments $ 0 $ (2,345) $ 0 $ (2,345)