Quarterly report pursuant to Section 13 or 15(d)

LOANS PAYABLE AND OTHER BORROWINGS - Narrative (Details)

v3.5.0.2
LOANS PAYABLE AND OTHER BORROWINGS - Narrative (Details)
 3 Months Ended 9 Months Ended
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Dec. 31, 2015
USD ($)
Line of Credit Facility [Line Items]          
Gross borrowings $ 50,000,000 $ 0 $ 106,000,000 $ 210,000,000  
Gross repayments 25,000,000 $ 0 81,000,000 $ 210,000,000  
Revolving credit facility [Member] | Line of Credit [Member]          
Line of Credit Facility [Line Items]          
Current borrowing capacity 500,000,000   500,000,000    
Maximum borrowing capacity 600,000,000   600,000,000    
Minimum tangible net worth $ 670,300,000   $ 670,300,000    
Leverage ratio 0.6   0.6    
Interest coverage ratio     1.5    
Outstanding borrowings under Credit Facility $ 25,000,000   $ 25,000,000   $ 0
Total LOCs 32,375,000   32,375,000   $ 27,684,000
Remaining borrowing capacity 442,600,000   442,600,000    
Revolving credit facility [Member] | Line of Credit [Member] | Revolving Credit Facility Maturing July 2019 [Member]          
Line of Credit Facility [Line Items]          
Current borrowing capacity $ 60,000,000   $ 60,000,000