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Other Assets (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Deferred tax assets, valuation allowance, current | $ 0 |  | $ 0 |  | $ 0
Income (loss) from continuing operations before equity method investments, income taxes, extraordinary items, noncontrolling interest, total | 5,686 | $ 3,843 | 14,254 | $ 11,522 |
State and Local Jurisdiction [Member] |  |  |  |  |
Operating loss carryforwards | $ 15,700 |  | $ 15,700 |  |
Minimum [Member] | State and Local Jurisdiction [Member] |  |  |  |  |
Operating loss carryforwards, expiration date |  |  | Dec. 31, 2026 |  |
Maximum [Member] | State and Local Jurisdiction [Member] |  |  |  |  |
Operating loss carryforwards, expiration date |  |  | Dec. 31, 2034 |  |

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