Annual report pursuant to Section 13 and 15(d)

LOANS PAYABLE AND OTHER BORROWINGS - Schedule of Loans Payable and Other Borrowings (Descriptors) (Details)

v3.6.0.2
LOANS PAYABLE AND OTHER BORROWINGS - Schedule of Loans Payable and Other Borrowings (Descriptors) (Details) - Line of credit [Member] - Revolving credit facility [Member] - USD ($)
 12 Months Ended
Dec. 31, 2016
Jun. 30, 2016
Line of Credit Facility [Line Items]    
Unsecured revolving credit facility maturing July 2019 $ 540,000,000  
London Interbank Offered Rate (LIBOR) [Member]    
Line of Credit Facility [Line Items]    
Description of variable rate basis LIBOR Rate  
Base rate 0.77%  
Basis spread on variable rate 1.75%  
Prime Rate [Member]    
Line of Credit Facility [Line Items]    
Description of variable rate basis Prime Rate  
Base rate 3.75%  
Basis spread on variable rate 0.75%  
Revolving credit facility maturing July 2019 [Member]    
Line of Credit Facility [Line Items]    
Unsecured revolving credit facility maturing July 2019   $ 60,000,000.0