XML 49 R34.htm IDEA: XBRL DOCUMENT v3.8.0.1
Mortgage Loans Payable and Credit Facility (Narrative) (Details)
9 Months Ended
Sep. 08, 2017
USD ($)
Loan
Sep. 30, 2017
USD ($)
Dec. 31, 2016
USD ($)
Line Of Credit Facility [Line Items]      
Number of amended and restated existing unsecured term loans | Loan 4    
Other assets and deferred charges, net   $ 35,421,000 $ 29,506,000
Approximate amount of accumulated other comprehensive loss to be reclassified into earnings   1,200,000  
Interest Rate Swap [Member]      
Line Of Credit Facility [Line Items]      
Fair value of interest rate swaps included in accounts payable and accrued liabilities   1,400,000  
Derivative, notional amount   350,000,000 $ 350,000,000
Cash Flow Hedging, Count 3 [Member] | Interest Rate Swap [Member]      
Line Of Credit Facility [Line Items]      
Other assets and deferred charges, net   $ 3,600,000  
Unsecured credit facility [Member]      
Line Of Credit Facility [Line Items]      
Credit facility borrowing capacity $ 300,000,000    
Aggregate borrowing capacity including increase under accordion feature $ 750,000,000    
Revolving Credit Facility [Member]      
Line Of Credit Facility [Line Items]      
Line of credit facility extension allowed period 1 year 1 year  
Basis spread on borrowings variable rate   1.35%  
Revolving Credit Facility [Member] | Minimum [Member]      
Line Of Credit Facility [Line Items]      
Basis spread on borrowings variable rate 1.35%    
Revolving Credit Facility [Member] | Maximum [Member]      
Line Of Credit Facility [Line Items]      
Basis spread on borrowings variable rate 1.95%    
Revolving Credit Facility [Member] | Unsecured credit facility [Member]      
Line Of Credit Facility [Line Items]      
Credit facility borrowing capacity $ 250,000,000    
Credit facility expiration date Sep. 08, 2021    
Remaining borrowing capacity   $ 143,400,000  
Term loan facility [Member]      
Line Of Credit Facility [Line Items]      
Basis spread on borrowings variable rate   1.30%  
Term loan facility [Member] | Minimum [Member]      
Line Of Credit Facility [Line Items]      
Basis spread on borrowings variable rate 1.30%    
Term loan facility [Member] | Maximum [Member]      
Line Of Credit Facility [Line Items]      
Basis spread on borrowings variable rate 1.90%    
Term loan facility [Member] | Unsecured credit facility [Member]      
Line Of Credit Facility [Line Items]      
Credit facility borrowing capacity $ 50,000,000    
Credit facility expiration date Sep. 08, 2022