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Income Taxes (Textual) (Details) | 12 Months Ended
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Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Investments, Owned, Federal Income Tax Note |  |  |
Income tax examinations in process | 0 |  |
Parent Company [Member] |  |  |
Investments, Owned, Federal Income Tax Note |  |  |
Operating Loss Carryforwards | $ 46,300,000 |  |
Subsidiary of Common Parent |  |  |
Investments, Owned, Federal Income Tax Note |  |  |
Income tax expense/(benefit) | 0 | $ 0 | $ 0
Operating Loss Carryforwards | 66,000,000 | $ 63,100,000 |
Designated as Hedging Instrument | Interest Rate Swap |  |  |
Investments, Owned, Federal Income Tax Note |  |  |
Derivative, Notional Amount | 550,000,000 |  |
Designated as Hedging Instrument | Parent Company [Member] | Wells Fargo with Fixed Interest Rate of 2.465% [Member] | Interest Rate Swap |  |  |
Investments, Owned, Federal Income Tax Note |  |  |
Derivative, Notional Amount | $ 50,000,000 |  |
Derivative, Fixed Interest Rate | 2.465% |  |
Designated as Hedging Instrument | Parent Company [Member] | Wells Fargo with Fixed Interest Rate of 2.576% [Member] | Interest Rate Swap |  |  |
Investments, Owned, Federal Income Tax Note |  |  |
Derivative, Notional Amount | $ 200,000,000 |  |
Derivative, Fixed Interest Rate | 2.576% |  |
Designated as Hedging Instrument | Parent Company [Member] | Wells Fargo with Fixed Interest Rate of 1.064% [Member] | Interest Rate Swap |  |  |
Investments, Owned, Federal Income Tax Note |  |  |
Derivative, Notional Amount | $ 50,000,000 |  |
Derivative, Fixed Interest Rate | 1.064% |  |
Designated as Hedging Instrument | Parent Company [Member] | Wells Fargo with Fixed Interest Rate of 1.133% [Member] | Interest Rate Swap |  |  |
Investments, Owned, Federal Income Tax Note |  |  |
Derivative, Notional Amount | $ 100,000,000 |  |
Derivative, Fixed Interest Rate | 1.133% |  |
Post Acquisition Period | Subsidiary of Common Parent |  |  |
Investments, Owned, Federal Income Tax Note |  |  |
Operating Loss Carryforwards | $ 300,000 |  |

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