Annual report pursuant to Section 13 and 15(d)

LOANS PAYABLE AND OTHER BORROWINGS - Narrative (Details)

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LOANS PAYABLE AND OTHER BORROWINGS - Narrative (Details)
12 Months Ended
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Line of Credit Facility [Line Items]      
Repayments $ 285,000,000 $ 430,000,000 $ 271,000,000
Proceeds from lines of credit 285,000,000 415,000,000 $ 286,000,000
Total LOCs 74,037,000 74,672,000  
Revolving credit facility [Member] | Line of credit [Member]      
Line of Credit Facility [Line Items]      
Current borrowing capacity 780,000,000    
Maximum borrowing capacity 880,000,000    
Minimum tangible net worth $ 1,110,000,000    
Leverage ratio 0.6    
Interest coverage ratio 1.5    
Outstanding borrowings under Credit Facility $ 0 $ 0  
Total LOCs 74,000,000    
Line of credit facility, remaining borrowing capacity $ 706,000,000