Commitments And Contingencies (Construction Projects) (Narrative) (Details)
$ in Thousands |
3 Months Ended |
|
|
Mar. 31, 2020
USD ($)
item
|
Mar. 31, 2019
USD ($)
|
Dec. 31, 2019
USD ($)
|
| Commitments And Contingencies [Line Items] |
|
|
|
| Properties aggregate net book value |
$ 898,000
|
|
|
| Costs of the project incurred |
3,853
|
$ 6,112
|
|
| Amount outstanding |
277,000
|
|
$ 329,000
|
| Building 8/9 [Member] |
|
|
|
| Commitments And Contingencies [Line Items] |
|
|
|
| Costs of the project incurred |
$ 77,700
|
|
|
| Delivery date to tenant |
first quarter 2021
|
|
|
| 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 |
$ 55,900
|
|
|
| Delivery date to tenant |
fourth quarter 2020
|
|
|
| Number of units | item |
198
|
|
|
| Total project costs |
$ 99,400
|
|
|
| Amount to fund |
35,400
|
|
|
| 25 Christopher Columbus [Member] |
|
|
|
| Commitments And Contingencies [Line Items] |
|
|
|
| Costs of the project incurred |
$ 195,400
|
|
|
| Delivery date to tenant |
first quarter 2022
|
|
|
| Number of units | item |
750
|
|
|
| Amount outstanding |
$ 38,400
|
|
|
| Amount of project costs funded |
138,500
|
|
|
| Total project costs |
469,500
|
|
|
| Amount to fund |
169,500
|
|
|
| Construction Loan [Member] | Building 8/9 [Member] |
|
|
|
| Commitments And Contingencies [Line Items] |
|
|
|
| Amount outstanding |
92,000
|
|
|
| Construction Loan [Member] | 233 Canoe Brook [Member] |
|
|
|
| Commitments And Contingencies [Line Items] |
|
|
|
| Amount outstanding |
64,000
|
|
|
| Construction Loan [Member] | 25 Christopher Columbus [Member] |
|
|
|
| Commitments And Contingencies [Line Items] |
|
|
|
| Amount outstanding |
$ 300,000
|
|
|