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Income Taxes (Textual) (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Investments, Owned, Federal Income Tax Note |  |  |
Deferred Tax Assets, Net |  | $ 58,200,000 |
Parent Company [Member] |  |  |
Investments, Owned, Federal Income Tax Note |  |  |
Operating Loss Carryforwards | $ 71,500,000 |  |
Designated as Hedging Instrument | Interest Rate Swap |  |  |
Investments, Owned, Federal Income Tax Note |  |  |
Derivative, Notional Amount | 550,000,000 |  |
Scenario, Adjustment [Member] | Parent Company [Member] |  |  |
Investments, Owned, Federal Income Tax Note |  |  |
Operating Loss Carryforwards |  | 25,200,000 |
Subsidiary of Common Parent |  |  |
Investments, Owned, Federal Income Tax Note |  |  |
Income tax expense/(benefit) | $ 0 | $ 0 | $ 0

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