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Intangible Assets - Annual Amortization of Intangible Assets, Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Assets |  |
Total | $ 111,623 | $ 99,403
Liabilities |  |
Total | 25,655 | $ 26,010
Assets [Member] |  |
Assets |  |
2016 | 36,635 |
2017 | 19,814 |
2018 | 12,587 |
2019 | 11,288 |
2020 | 9,149 |
Thereafter | 22,731 |
Finite Lived Intangible Assets Net Including Assets Held For Sale | 112,204 |
Assets held for sale | (581) |
Total | 111,623 |
Liabilities [Member] |  |
Liabilities |  |
2016 | 7,595 |
2017 | 3,461 |
2018 | 2,217 |
2019 | 1,885 |
2020 | 1,337 |
Thereafter | 9,352 |
Below Market Lease Including Assets Held for Sale | 25,847 |
Assets held for sale | (192) |
Total | $ 25,655 |

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