Annual report pursuant to Section 13 and 15(d)

Debt (Narrative) (Details)

v2.4.0.6
Debt (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended 1 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
May 31, 2011
5.75% Senior Notes [Member]
Nov. 30, 2012
5.75% Senior Notes [Member]
Dec. 31, 2012
Non-recourse Mortgage Note Due January 1, 2021 [Member]
Dec. 31, 2012
Mortgage Note Due August 31, 2014 [Member]
Debt Instrument [Line Items]            
Senior notes, at par $ 425,000 $ 250,000 $ 250,000 $ 175,000    
Interest rate on notes, percentage     5.75% 5.75%    
Debt maturity date     Jun. 01, 2017   Jan. 01, 2021 Aug. 31, 2014
Senior notes, effective yield     6.00% 4.29%    
Unamortized (premium) discount on Senior notes, net (7,823) 2,814        
Fair value of swap agreements 16,304 11,431        
Variable rate of swap, percentage 3.81%          
Revolving credit facility, maximum borrowing capacity 350,000          
Revolving credit facility, due date Jan. 31, 2016          
Availability of revolving credit facility 350,000          
Letters of credit outstanding amount 17,280          
Letters of credit bore interest 1.07%          
Notes Payable         75,381 8,700
Mortgage note non-recourse interest rate         5.14%  
Net Book Value Of Collateralized Properties         164,861 26,077
Fixed rate added to the LIBOR           3.00%
Fixed rate added to bank certificate rate           2.00%
Weighted average interest rate of outstanding borrowings           3.09%
Fair value of outstanding debt $ 543,611 $ 351,578