Fair Value Measurements - Fair Value Inputs of Long-Lived Assets Held and Used (Details)
|
12 Months Ended |
|
Dec. 31, 2020
ft²
Property
$ / Sqft
|
Dec. 31, 2019
ft²
Property
$ / Sqft
|
| Fair Value Estimated Using Comparable Properties | Retail |
|
|
| Impaired Long Lived Assets Held Used And Held For Sale Properties [Line Items] |
|
|
| Number Of Properties Accounted For At Fair Value | Property |
10
|
4
|
| Fair Value Estimated Using Comparable Properties | Office |
|
|
| Impaired Long Lived Assets Held Used And Held For Sale Properties [Line Items] |
|
|
| Number Of Properties Accounted For At Fair Value | Property |
1
|
|
| Fair Value Estimated Using Comparable Properties | Measurement Input, Price Per Square Foot | Retail | Weighted Average |
|
|
| Impaired Long Lived Assets Held Used And Held For Sale Properties [Line Items] |
|
|
| Price per square foot |
57.62
|
104.84
|
| Fair Value Estimated Using Comparable Properties | Measurement Input, Price Per Square Foot | Retail | Minimum |
|
|
| Impaired Long Lived Assets Held Used And Held For Sale Properties [Line Items] |
|
|
| Price per square foot |
4.35
|
34.45
|
| Fair Value Estimated Using Comparable Properties | Measurement Input, Price Per Square Foot | Retail | Maximum |
|
|
| Impaired Long Lived Assets Held Used And Held For Sale Properties [Line Items] |
|
|
| Price per square foot |
282.08
|
740.74
|
| Fair Value Estimated Using Comparable Properties | Measurement Input, Price Per Square Foot | Office | Weighted Average |
|
|
| Impaired Long Lived Assets Held Used And Held For Sale Properties [Line Items] |
|
|
| Price per square foot |
89.25
|
|
| Fair Value Estimated Using Comparable Properties | Measurement Input, Price Per Square Foot | Office | Minimum |
|
|
| Impaired Long Lived Assets Held Used And Held For Sale Properties [Line Items] |
|
|
| Price per square foot |
79.80
|
|
| Fair Value Estimated Using Comparable Properties | Measurement Input, Price Per Square Foot | Office | Maximum |
|
|
| Impaired Long Lived Assets Held Used And Held For Sale Properties [Line Items] |
|
|
| Price per square foot |
103.79
|
|
| Fair Value Estimated Using Comparable Properties | Measurement Input, Square Footage | Retail |
|
|
| Impaired Long Lived Assets Held Used And Held For Sale Properties [Line Items] |
|
|
| Square Footage | ft² |
431,563
|
35,885
|
| Fair Value Estimated Using Comparable Properties | Measurement Input, Square Footage | Office |
|
|
| Impaired Long Lived Assets Held Used And Held For Sale Properties [Line Items] |
|
|
| Square Footage | ft² |
28,804
|
|
| Fair Value Estimated Using Listing Price or Broker Opinion of Value | Retail |
|
|
| Impaired Long Lived Assets Held Used And Held For Sale Properties [Line Items] |
|
|
| Number Of Properties Accounted For At Fair Value | Property |
11
|
10
|
| Fair Value Estimated Using Listing Price or Broker Opinion of Value | Office |
|
|
| Impaired Long Lived Assets Held Used And Held For Sale Properties [Line Items] |
|
|
| Number Of Properties Accounted For At Fair Value | Property |
|
1
|
| Fair Value Estimated Using Listing Price or Broker Opinion of Value | Measurement Input, Price Per Square Foot | Retail | Weighted Average |
|
|
| Impaired Long Lived Assets Held Used And Held For Sale Properties [Line Items] |
|
|
| Price per square foot |
43.32
|
50.71
|
| Fair Value Estimated Using Listing Price or Broker Opinion of Value | Measurement Input, Price Per Square Foot | Retail | Minimum |
|
|
| Impaired Long Lived Assets Held Used And Held For Sale Properties [Line Items] |
|
|
| Price per square foot |
16.67
|
24.78
|
| Fair Value Estimated Using Listing Price or Broker Opinion of Value | Measurement Input, Price Per Square Foot | Retail | Maximum |
|
|
| Impaired Long Lived Assets Held Used And Held For Sale Properties [Line Items] |
|
|
| Price per square foot |
338.98
|
323.00
|
| Fair Value Estimated Using Listing Price or Broker Opinion of Value | Measurement Input, Price Per Square Foot | Office |
|
|
| Impaired Long Lived Assets Held Used And Held For Sale Properties [Line Items] |
|
|
| Price per square foot |
|
99.37
|
| Fair Value Estimated Using Listing Price or Broker Opinion of Value | Measurement Input, Price Per Square Foot | Office | Weighted Average |
|
|
| Impaired Long Lived Assets Held Used And Held For Sale Properties [Line Items] |
|
|
| Price per square foot |
|
99.37
|
| Fair Value Estimated Using Listing Price or Broker Opinion of Value | Measurement Input, Square Footage | Retail |
|
|
| Impaired Long Lived Assets Held Used And Held For Sale Properties [Line Items] |
|
|
| Square Footage | ft² |
577,945
|
165,773
|
| Fair Value Estimated Using Listing Price or Broker Opinion of Value | Measurement Input, Square Footage | Office |
|
|
| Impaired Long Lived Assets Held Used And Held For Sale Properties [Line Items] |
|
|
| Square Footage | ft² |
|
4,310
|