v3.3.1.900

Basis of Presentation and Significant Accounting Policies (Acquisitions and Building Properties) (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2012 USD ($) | Dec. 31, 2015 USD ($) building | Dec. 31, 2014 USD ($) property | Dec. 31, 2013 USD ($)
Property, Plant and Equipment [Line Items] |  |  |  |
Disclosure of Long Lived Assets Held-for-sale [Table Text Block] |  | As of December 31, 2015, the properties listed below were classified as held for sale. We did not have any properties classified as held for sale as of December 31, 2014.
Properties |  | Submarket |  | Property Type |  | Number of Buildings |  | Rentable Square Feet (unaudited)
Torrey Santa Fe Properties (1)(2) |  | Del Mar |  | Office |  | 4 |  | 465,812 |
__________________
(1) | The Torrey Santa Fe Properties include the following properties: 7525 Torrey Santa Fe, 7535 Torrey Santa Fe, 7545 Torrey Santa Fe, and 7555 Torrey Santa Fe.
(2) | In January 2016, the Company completed the sale of these properties for a total sales price of $262.3 million.
The major classes of assets and liabilities of the properties held for sale as of December 31, 2015 were as follows:
Real estate assets and other assets held for sale | (in thousands)
Land and improvements | $ | 10,534 |
Buildings and improvements | 144,716 |
Undeveloped land and construction in progress | 4,824 |
Total real estate held for sale | 160,074 |
Accumulated depreciation and amortization | (46,191 | )
Total real estate held for sale, net | 113,883 |
Deferred rent receivables, net | 2,500 |
Deferred leasing costs and acquisition-related intangible assets, net | 1,115 |
Prepaid expenses and other assets, net | 168 |
Real estate and other assets held for sale, net | $ | 117,666 |
Liabilities and deferred revenue of real estate assets held for sale |
Secured debt | $ | 561 |
Accounts payable, accrued expenses and other liabilities | 2,497 |
Deferred revenue and acquisition-related intangible liabilities, net | 2,899 |
Rents received in advance and tenant security deposits | 1,586 |
Liabilities and deferred revenue of real estate assets held for sale | $ | 7,543 |
As of December 31, 2015 and 2014, the following land parcels were classified as held for sale:
Properties |  | Submarket |  | Gross Site Acreage (unaudited) |  | Sales Price (in millions)
2015 Held for Sale |  |  |  |  |  |
Carlsbad Oaks - Lot 7 (1)(2) |  | Carlsbad |  | 7.6 |  | $ | 4.5 |
2014 Held for Sale |  |  |  |  |  |
17150 Von Karman |  | Irvine |  | 8.5 |  | $ | 26.0 |
__________________
(1) | During the year ended December 31, 2015, the Company recognized a loss relating to selling costs of approximately $0.2 million.
(2) | In January 2016, the Company completed the sale of the Carlsbad Oaks - Lot 7 land parcel.
Depreciation of real estate | $ 145,325 | $ 159,524 |  | $ 153,841
Number of real estate properties |  | 2 | 5 |
Undeveloped Land [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Business acquisition costs capitalized |  | $ 1,100 | $ 4,500 | $ 2,300
Building and Building Improvements [Member] | Minimum [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property depreciable lives |  | 25 years |  |
Building and Building Improvements [Member] | Maximum [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property depreciable lives |  | 40 years |  |
Leasehold Improvements [Member] | Minimum [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property depreciable lives |  | 1 year |  |
Leasehold Improvements [Member] | Maximum [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Property depreciable lives |  | 20 years |  |
Lease Agreements [Member] | Minimum [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Deferred lease costs amortization period |  | 1 year |  |
Lease Agreements [Member] | Maximum [Member] |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Deferred lease costs amortization period |  | 20 years |  |

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