XML 72 R58.htm IDEA: XBRL DOCUMENT v3.10.0.1
Derivative Instruments (Narrative) (Details)
$ in Thousands, $ in Millions
 12 Months Ended
Dec. 31, 2018
USD ($)
properties
swap_agreements
$ / $
Dec. 31, 2018
CAD ($)
$ / $
Dec. 31, 2017
USD ($)
Derivative Liability, Fair Value, Gross Liability $ 0   $ 100
Derivative Asset, Fair Value, Gross Asset 10,600   $ 25,700
Cash Flow Hedging [Member]      
Estimated amount to be reclassified from accumulated other comprehensive income to other expense in the next twelve months 800    
Interest Rate Swap [Member]      
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net 2,100    
Currency Forward Agreements Member      
Derivative, Gain on Derivative $ 30,800    
Currency Forward Agreements Member | Net Investment Hedging [Member]      
Number of Foreign Currency Derivatives Held 2 2  
Cross Currency Swaps 2020 [Member]      
Derivative, Forward Exchange Rate | $ / $ 1.26 1.26  
Cross Currency Swap 2023 [Member]      
Number of Canadian properties exposed to foreign currency exchange risk | properties 4    
Cross Currency Swap 2023 [Member] | Net Investment Hedging [Member]      
Number of Foreign Currency Derivatives Held 2 2  
Description of Foreign Currency Exposure 4.5    
Minimum [Member]      
credit risk related contingent features default on debt amount $ 25,000    
Maximum [Member]      
credit risk related contingent features default on debt amount 50,000    
Maximum [Member] | Interest Rate Swap [Member]      
Derivative, Notional Amount 350,000    
Canada, Dollars | Cross Currency Swaps 2020 [Member]      
Monthly CAD Denominated Cash Flows Properties Under Hedges of Foreign Exchange Risk $ 13,500    
Derivative, Notional Amount   $ 100.0  
Canada, Dollars | Cross Currency Swap 2023 [Member] | Net Investment Hedging [Member]      
Derivative, Forward Exchange Rate 1.32 1.32  
Derivative, Notional Amount   $ 200.0  
United States of America, Dollars | Cross Currency Swaps 2020 [Member]      
Derivative, Notional Amount $ 79,500    
United States of America, Dollars | Cross Currency Swap 2023 [Member] | Net Investment Hedging [Member]      
Derivative, Notional Amount $ 151,600    
interest rate swap 2.64percent [Member] [Member] | Maximum [Member] | Interest Rate Swap [Member]      
Derivative, Fixed Interest Rate 2.64% 2.64%  
Number of entered into interest rate swap agreements | swap_agreements 2    
Derivative, Notional Amount $ 300,000    
interest rate swap 3.15percent [Member] | Interest Rate Swap [Member]      
Number of entered into interest rate swap agreements | swap_agreements 3    
interest rate swap 3.15percent [Member] | Minimum [Member] | Interest Rate Swap [Member]      
Derivative, Fixed Interest Rate 3.15% 3.15%  
Derivative, Notional Amount $ 50,000    
interest rate swap 3.15percent [Member] | Maximum [Member] | Interest Rate Swap [Member]      
Derivative, Notional Amount $ 350,000