Quarterly report pursuant to Section 13 or 15(d)

Debt, Net (Details)

v3.19.1
Debt, Net (Details)
3 Months Ended
Mar. 31, 2019
USD ($)
extension
Mar. 31, 2018
USD ($)
Dec. 31, 2018
USD ($)
Debt      
Carrying Value $ 1,876,149,000   $ 1,823,909,000
Interest costs capitalized 2,000,000 $ 1,400,000  
Mortgage and other secured debt      
Debt      
Carrying Value $ 173,127,000   170,423,000
Line of Credit | Revolving Credit Facility      
Debt      
Number of extensions | extension 2    
Extension option period (in years) 6 months    
Line of credit facility, extension fee percentage 0.075%    
Loans payable      
Debt      
Deferred financing costs, net $ 6,800,000   7,200,000
Fixed rate mortgage debt | Mortgage and other secured debt      
Debt      
Carrying Value 146,212,000   147,141,000
Unamortized premium included in carrying value $ 264,000   281,000
Weighted average interest rate (as a percent) 4.17%    
Fixed rate mortgage debt | Mortgage and other secured debt | Minimum      
Debt      
Interest rate (as a percent) 3.82%    
Fixed rate mortgage debt | Mortgage and other secured debt | Maximum      
Debt      
Interest rate (as a percent) 7.87%    
Variable-rate debt | Mortgage and other secured debt      
Debt      
Carrying Value $ 26,915,000   23,282,000
Weighted average interest rate (as a percent) 4.63%    
Variable-rate debt | Mortgage and other secured debt | Minimum | London Interbank Offered Rate (LIBOR)      
Debt      
Variable rate, spread (as a percent) 1.85%    
Variable-rate debt | Mortgage and other secured debt | Maximum | London Interbank Offered Rate (LIBOR)      
Debt      
Variable rate, spread (as a percent) 2.35%    
Construction Loan | Mortgage and other secured debt | London Interbank Offered Rate (LIBOR)      
Debt      
Remaining borrowing capacity $ 94,900,000    
Revolving Credit Facility      
Debt      
Carrying Value $ 262,000,000   213,000,000
Weighted average interest rate (as a percent) 3.54%    
Revolving Credit Facility | Minimum | London Interbank Offered Rate (LIBOR)      
Debt      
Variable rate, spread (as a percent) 0.775%    
Revolving Credit Facility | Maximum | London Interbank Offered Rate (LIBOR)      
Debt      
Variable rate, spread (as a percent) 1.45%    
Term Loan Facility      
Debt      
Carrying Value $ 248,381,000   248,273,000
Interest rate (as a percent) 3.74%    
Aggregate additional borrowing capacity available $ 150,000,000    
Maximum availability $ 500,000,000    
Term Loan Facility | Minimum | London Interbank Offered Rate (LIBOR)      
Debt      
Variable rate, spread (as a percent) 0.85%    
Term Loan Facility | Maximum | London Interbank Offered Rate (LIBOR)      
Debt      
Variable rate, spread (as a percent) 1.65%    
3.600% Senior Notes | Unsecured senior notes      
Debt      
Carrying Value $ 348,096,000   347,986,000
Debt instrument, face amount $ 350,000,000    
Interest rate (as a percent) 3.60%    
Unamortized discount included in carrying value $ 1,300,000   1,400,000
Effective interest rate on debt (as a percent) 3.70%    
5.250% Senior Notes | Unsecured senior notes      
Debt      
Carrying Value $ 247,263,000   247,136,000
Debt instrument, face amount $ 250,000,000    
Interest rate (as a percent) 5.25%    
Unamortized discount included in carrying value $ 2,500,000   2,600,000
Effective interest rate on debt (as a percent) 5.49%    
3.700% Senior Notes | Unsecured senior notes      
Debt      
Carrying Value $ 298,941,000   298,815,000
Debt instrument, face amount $ 300,000,000    
Interest rate (as a percent) 3.70%    
Unamortized discount included in carrying value $ 800,000   943,000
Effective interest rate on debt (as a percent) 3.85%    
5.000% Senior Notes | Unsecured senior notes      
Debt      
Carrying Value $ 297,206,000   297,109,000
Debt instrument, face amount $ 300,000,000    
Interest rate (as a percent) 5.00%    
Unamortized discount included in carrying value $ 2,300,000   2,400,000
Effective interest rate on debt (as a percent) 5.15%    
Unsecured notes payable      
Debt      
Carrying Value $ 1,135,000   1,167,000
Interest rate (as a percent) 0.00%    
Unamortized discount included in carrying value $ 276,000   $ 294,000