Quarterly report pursuant to Section 13 or 15(d)

Commitments And Contingencies (Construction Projects) (Narrative) (Details)

v3.19.1
Commitments And Contingencies (Construction Projects) (Narrative) (Details)
$ in Thousands
3 Months Ended
Mar. 26, 2019
Mar. 31, 2019
USD ($)
item
Mar. 25, 2019
item
Dec. 31, 2018
USD ($)
Dec. 31, 2015
item
Commitments And Contingencies [Line Items]          
Amount outstanding   $ 588,805   $ 790,939  
XS Hotel Urban Renewal Associates LLC [Member]          
Commitments And Contingencies [Line Items]          
Percentage of interest in venture     90.00%   90.00%
Costs of the project incurred   153,600      
Number of units | item     372   372
Total project costs   159,900      
Percentage of additional interest acquired 10.00%        
XS Hotel Urban Renewal Associates LLC, Residence Inn [Member]          
Commitments And Contingencies [Line Items]          
Number of units | item     164   164
XS Hotel Urban Renewal Associates LLC, Marriott Envue [Member]          
Commitments And Contingencies [Line Items]          
Number of units | item     208   208
XS Port Imperial Hotel, LLC [Member]          
Commitments And Contingencies [Line Items]          
Percentage of additional interest acquired 10.00%        
Chase III, Overlook Ridge [Member]          
Commitments And Contingencies [Line Items]          
Costs of the project incurred   $ 21,200      
Delivery date to tenant   third quarter 2020      
Number of units | item   326      
Total project costs   $ 99,900      
Amount to fund   37,900      
Building 8/9 [Member]          
Commitments And Contingencies [Line Items]          
Costs of the project incurred   $ 44,000      
Delivery date to tenant   fourth quarter 2020      
Number of units | item   313      
Total project costs   $ 142,900      
Amount to fund   50,900      
233 Canoe Brook [Member]          
Commitments And Contingencies [Line Items]          
Costs of the project incurred   $ 22,200      
Delivery date to tenant   fourth quarter 2020      
Number of units | item   198      
Amount outstanding   $ 64,000      
Total project costs   99,600      
Amount to fund   35,600      
25 Christopher Columbus [Member]          
Commitments And Contingencies [Line Items]          
Costs of the project incurred   $ 63,300      
Delivery date to tenant   first quarter 2022      
Number of units | item   750      
Amount outstanding   $ 300,000      
Total project costs   470,600      
Amount to fund   170,600      
Construction Loan [Member] | XS Hotel Urban Renewal Associates LLC [Member]          
Commitments And Contingencies [Line Items]          
Maximum borrowing capacity   94,000      
Amount outstanding   76,700      
Construction Loan [Member] | Chase III, Overlook Ridge [Member]          
Commitments And Contingencies [Line Items]          
Amount to fund   62,000      
Construction Loan [Member] | Building 8/9 [Member]          
Commitments And Contingencies [Line Items]          
Amount outstanding   $ 92,000