v3.3.1.900

Organization and Ownership (Details) | Dec. 31, 2015 | Dec. 31, 2015 ft² | Dec. 31, 2015 building | Dec. 31, 2015 project | Dec. 31, 2015 tenant | Dec. 31, 2015 a | Dec. 31, 2014 ft² property | Jan. 31, 2014 ft² | Dec. 31, 2013 ft²
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Number of real estate properties |  |  |  | 2 |  |  |  | 5 |  |
Net Rentable Area |  |  | 1,046,394 |  |  |  |  | 1,471,319 | 79,000 | 200,306
Lease Up Properties [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Number of real estate properties |  |  |  | 2 | 1 |  |  |  |  |
Net Rentable Area | [1] |  | 73,000 |  |  |  |  |  |  |
Stabilized Office Properties [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Number of real estate properties | building |  |  |  | 101 |  |  |  |  |  |
Net Rentable Area |  |  | 13,032,406 |  |  |  |  |  |  |
Number of Tenants | tenant |  |  |  |  |  | 517 |  |  |  |
Percentage Occupied (unaudited) |  | 94.80% |  |  |  |  |  |  |  |
Development Properties [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Number of real estate properties | project | [1] |  |  |  | 5 |  |  |  |  |
Net Rentable Area | [2],[3] |  | 1,910,000 |  |  |  |  |  |  |
Columbia Square [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Net Rentable Area |  |  | 108,517 |  |  |  |  |  |  |
Crossing 900 [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Net Rentable Area |  |  | 339,987 |  |  |  |  |  |  |
Land [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Area of Land | a |  |  |  |  |  |  | 99 |  |  |
4040 Civic [Member] [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Net Rentable Area |  |  |  |  |  |  |  | 130,237 |  |
Carlsbad Oaks [Member] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Number of real estate properties | project |  |  |  |  | 1 |  |  |  |  |
Washington - Land Parcel [Domain] |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |
Number of real estate properties | building |  |  |  | 1 |  |  |  |  |  |
[1] | Estimated rentable square feet upon completion.
[2] | Excludes acquisition-related costs and non-lease related accrued liabilities assumed. Includes assumed unpaid leasing commissions and tenant improvements.
[3] | The results of operations for the properties acquired during 2014 contributed $7.7 million and $2.8 million to revenues and net income from continuing operations, respectively, for the year ended December 31, 2014.

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