|
Real Estate - Summary of Acquisition (Detail) (USD $)
In Thousands, unless otherwise specified |
9 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
|
Jun. 30, 2014
sqft
|
Sep. 30, 2014
Unconsolidated Properties [Member]
sqft
Property
|
Dec. 31, 2013
Unconsolidated Properties [Member]
Property
sqft
|
Sep. 30, 2014
Third Parties [Member]
Property
sqft
|
Dec. 31, 2013
Third Parties [Member]
sqft
Property
|
|
| Business Acquisition [Line Items] | |||||
| Number of properties | 0 | 32 | 8 | 4 | |
| Square feet | 12,600,000 | 0 | 9,958,000 | 1,004,000 | 1,134,000 |
| Real estate acquisition value | $ 0 | $ 731,644 | $ 78,314 | $ 48,922 | |
| Net gains | $ 0 | $ 35,886 |