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Real Estate Real Estate Intangible Assets Amortization Table (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Apr. 22, 2016
--- | --- | ---
Acquired Finite-Lived Intangible Assets [Line Items] |  |
2017 | $ 32,831 |
2018 | 26,556 |
2019 | 13,885 |
2020 | $ 8,365 |
3625-3635 Peterson Way | Acquired in-place lease intangibles |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Period from April 22, 2016 through December 31, 2016 |  | $ 296
2017 |  | 444
2018 |  | 444
2019 |  | 444
2020 |  | 444
3625-3635 Peterson Way | Acquired below-mark lease intangible |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Period from April 22, 2016 through December 31, 2016 |  | (589)
2017 |  | (884)
2018 |  | (884)
2019 |  | (884)
2020 |  | $ (884)

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