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INVESTMENT IN UNCONSOLIDATED SUBSIDIARIES (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Eastern [Member]      
Equity method investments $ 361    
Income (loss) from equity method investments 41 $ (112)  
Parent Company [Member]      
Income (loss) from equity method investments $ 8,520 6,184 $ 5,030
Avon-Dixon Agency, LLC [Member] | Eastern [Member]      
Equity method investment, ownership percentage 40.00%    
Equity method investments   $ 320