Annual report pursuant to Section 13 and 15(d)

DEBT FINANCING - Debt Summary (Details)

v3.3.1.900
DEBT FINANCING - Debt Summary (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Debt Instrument [Line Items]    
Debt financing $ 570,612 $ 597,691
Line of Credit [Member] | Revolving line of credit [Member]    
Debt Instrument [Line Items]    
Effective interest rate   2.66%
Line of Credit [Member] | Credit Facility [Member] | Revolving line of credit [Member]    
Debt Instrument [Line Items]    
Effective interest rate 2.03% 2.03%
Debt financing $ 187,975 $ 166,217
Line of Credit [Member] | Credit Facility [Member] | Term Loan [Member]    
Debt Instrument [Line Items]    
Effective interest rate 2.75% 2.75%
Debt financing $ 200,000 $ 144,558
Loans Payable [Member] | Unsecured Term Loan [Member]    
Debt Instrument [Line Items]    
Effective interest rate 0.00% 0.00%
Debt financing $ 0 $ 50,000
Mortgages [Member] | Fixed Rate Mortgages [Member]    
Debt Instrument [Line Items]    
Effective interest rate 3.93% 3.93%
Debt financing $ 182,637 $ 153,416
Mortgages [Member] | Variable Rate Mortgages [Member]    
Debt Instrument [Line Items]    
Effective interest rate 0.00% 0.00%
Debt financing $ 0 $ 83,500