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Real Estate Joint Ventures (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 USD ($) Property | Dec. 31, 2016 USD ($)
Investments in consolidated real estate joint ventures |  |
Non-real estate equity method investments | $ 2,353 | $ 2,355
GI-COPT |  |
Investments in consolidated real estate joint ventures |  |
Non-real estate equity method investments | 25,400 |
Maximum amount at risk | 17,800 |
Consolidated real estate joint ventures |  |
Investments in consolidated real estate joint ventures |  |
Total Assets | 264,627 |
Encumbered Assets | 124,375 |
Total Liabilities | $ 103,768 |
Variable Interest Entity, Primary Beneficiary | LW Redstone Company, LLC |  |
Investments in consolidated real estate joint ventures |  |
Ownership (as a percent) | 85.00% |
Total Assets | $ 157,293 |
Encumbered Assets | 78,251 |
Total Liabilities | $ 50,804 |
Variable Interest Entity, Primary Beneficiary | M Square Associates, LLC |  |
Investments in consolidated real estate joint ventures |  |
Ownership (as a percent) | 50.00% |
Total Assets | $ 65,158 |
Encumbered Assets | 46,124 |
Total Liabilities | $ 45,712 |
Variable Interest Entity, Primary Beneficiary | Stevens Investors, LLC |  |
Investments in consolidated real estate joint ventures |  |
Ownership (as a percent) | 95.00% |
Total Assets | $ 42,176 |
Encumbered Assets | 0 |
Total Liabilities | 7,252 |
Variable Interest Entity, Primary Beneficiary | Stevens Investors, LLC | Other Liabilities |  |
Investments in consolidated real estate joint ventures |  |
Due to Affiliate | $ 6,700 |
Operating office properties |  |
Investments in consolidated real estate joint ventures |  |
Number of real estate properties | Property | 164 |
Single-tenant data centers | Operating office properties |  |
Investments in consolidated real estate joint ventures |  |
Number of real estate properties | Property | 13 |
Single-tenant data centers | Operating office properties | GI-COPT |  |
Investments in consolidated real estate joint ventures |  |
Ownership percentage (percent) | 50.00% |
Number of real estate properties | Property | 6 |

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