Discontinued Operations (Narrative) (Details)
$ in Thousands |
3 Months Ended |
15 Months Ended |
|
|
Mar. 31, 2020
USD ($)
ft²
property
item
|
Mar. 31, 2020
USD ($)
ft²
property
|
Dec. 19, 2019
ft²
|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
|
|
|
| Unrealized losses on disposition of rental property |
$ (45,068)
|
|
|
| Suburban Office Portfolio [Member] |
|
|
|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
|
|
|
| Area of property (in square feet) | ft² |
|
|
6,600,000
|
| Four Disposal Group [Member] |
|
|
|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
|
|
|
| Number of disposal groups | item |
4
|
|
|
| Properties | property |
19
|
|
|
| Unrealized losses on disposition of rental property |
$ 45,100
|
|
|
| Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Suburban Office Portfolio [Member] |
|
|
|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
|
|
|
| Number of disposal groups | item |
12
|
|
|
| Number of real estate properties | property |
34
|
34
|
|
| Area of property (in square feet) | ft² |
5,900,000
|
5,900,000
|
|
| Disposal Group, Not Discontinued Operations [Member] |
|
|
|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
|
|
|
| Number of properties sold | item |
1
|
|
|
| Sales proceeds |
$ 35,065
|
|
|
| Disposal Group, Not Discontinued Operations [Member] | Properties Disposed One [Member] | Suburban Office Portfolio [Member] |
|
|
|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
|
|
|
| Number of properties sold | property |
|
3
|
|
| Disposal Group, Not Discontinued Operations [Member] | Properties Disposed One [Member] | Suburban Office Properties [Member] |
|
|
|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
|
|
|
| Sales proceeds |
|
$ 87,200
|
|
| Area of property (in square feet) | ft² |
697,000
|
697,000
|
|
| Disposal Group, Not Discontinued Operations [Member] | Properties Disposed Two [Member] |
|
|
|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
|
|
|
| Sales proceeds |
$ 335,500
|
|
|
| Number of real estate properties | property |
17
|
17
|
|
| Area of property (in square feet) | ft² |
2,500,000
|
2,500,000
|
|