Fair Value Measurements - Fair Value Inputs of Long-Lived Assets Held and Used (Details)
|
3 Months Ended |
12 Months Ended |
|
Mar. 31, 2017
ft²
$ / ft²
|
Dec. 31, 2016
ft²
$ / ft²
|
Dec. 31, 2015
$ / ft²
|
| Weighted Average Sale Price Per Square Foot of Comparable Properties [Member] | Retail |
|
|
|
| Impaired Long-Lived Assets Held and Used [Line Items] |
|
|
|
| Property square footage (per sqft) | ft² |
113,943
|
290,770
|
|
| Weighted Average Sale Price Per Square Foot of Comparable Properties [Member] | Retail | Minimum |
|
|
|
| Impaired Long-Lived Assets Held and Used [Line Items] |
|
|
|
| Sales price (in usd per sqft) |
44.19
|
17.17
|
|
| Weighted Average Sale Price Per Square Foot of Comparable Properties [Member] | Retail | Maximum |
|
|
|
| Impaired Long-Lived Assets Held and Used [Line Items] |
|
|
|
| Sales price (in usd per sqft) |
80.11
|
502.23
|
|
| Weighted Average Sale Price Per Square Foot of Comparable Properties [Member] | Retail | Weighted Average |
|
|
|
| Impaired Long-Lived Assets Held and Used [Line Items] |
|
|
|
| Sales price (in usd per sqft) |
56.28
|
58.78
|
|
| Weighted Average Sale Price Per Square Foot of Comparable Properties [Member] | Industrial |
|
|
|
| Impaired Long-Lived Assets Held and Used [Line Items] |
|
|
|
| Property square footage (per sqft) | ft² |
0
|
104,864
|
|
| Weighted Average Sale Price Per Square Foot of Comparable Properties [Member] | Industrial | Weighted Average |
|
|
|
| Impaired Long-Lived Assets Held and Used [Line Items] |
|
|
|
| Sales price (in usd per sqft) |
0.00
|
26.43
|
|
| Weighted Average Sale Price Per Square Foot of Comparable Properties [Member] | Office |
|
|
|
| Impaired Long-Lived Assets Held and Used [Line Items] |
|
|
|
| Property square footage (per sqft) | ft² |
0
|
135,675
|
|
| Weighted Average Sale Price Per Square Foot of Comparable Properties [Member] | Office | Weighted Average |
|
|
|
| Impaired Long-Lived Assets Held and Used [Line Items] |
|
|
|
| Sales price (in usd per sqft) |
0.00
|
35.00
|
|
| Weighted Average Listing Price or Broker Opinion of Value Per Square Foot | Retail |
|
|
|
| Impaired Long-Lived Assets Held and Used [Line Items] |
|
|
|
| Property square footage (per sqft) | ft² |
376,426
|
516,916
|
|
| Weighted Average Listing Price or Broker Opinion of Value Per Square Foot | Retail | Minimum |
|
|
|
| Impaired Long-Lived Assets Held and Used [Line Items] |
|
|
|
| Listing price and broker opinion (in usd per sqft) |
9.13
|
15.40
|
|
| Weighted Average Listing Price or Broker Opinion of Value Per Square Foot | Retail | Maximum |
|
|
|
| Impaired Long-Lived Assets Held and Used [Line Items] |
|
|
|
| Listing price and broker opinion (in usd per sqft) |
139.10
|
|
170.02
|
| Weighted Average Listing Price or Broker Opinion of Value Per Square Foot | Retail | Weighted Average |
|
|
|
| Impaired Long-Lived Assets Held and Used [Line Items] |
|
|
|
| Listing price and broker opinion (in usd per sqft) |
35.02
|
40.80
|
|
| Weighted Average Listing Price or Broker Opinion of Value Per Square Foot | Industrial |
|
|
|
| Impaired Long-Lived Assets Held and Used [Line Items] |
|
|
|
| Property square footage (per sqft) | ft² |
588,906
|
149,627
|
|
| Weighted Average Listing Price or Broker Opinion of Value Per Square Foot | Industrial | Minimum |
|
|
|
| Impaired Long-Lived Assets Held and Used [Line Items] |
|
|
|
| Listing price and broker opinion (in usd per sqft) |
4.01
|
|
|
| Weighted Average Listing Price or Broker Opinion of Value Per Square Foot | Industrial | Maximum |
|
|
|
| Impaired Long-Lived Assets Held and Used [Line Items] |
|
|
|
| Listing price and broker opinion (in usd per sqft) |
14.61
|
|
|
| Weighted Average Listing Price or Broker Opinion of Value Per Square Foot | Industrial | Weighted Average |
|
|
|
| Impaired Long-Lived Assets Held and Used [Line Items] |
|
|
|
| Listing price and broker opinion (in usd per sqft) |
6.33
|
9.09
|
|
| Weighted Average Listing Price or Broker Opinion of Value Per Square Foot | Office |
|
|
|
| Impaired Long-Lived Assets Held and Used [Line Items] |
|
|
|
| Property square footage (per sqft) | ft² |
141,525
|
34,992
|
|
| Weighted Average Listing Price or Broker Opinion of Value Per Square Foot | Office | Weighted Average |
|
|
|
| Impaired Long-Lived Assets Held and Used [Line Items] |
|
|
|
| Listing price and broker opinion (in usd per sqft) |
62.89
|
56.81
|
|