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Interest Rate Swap Summary (Details) (USD $) In Thousands, unless otherwise specified | 9 Months Ended
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Sep. 30, 2013
Interest Rate Swap One |  |
Derivatives |  |
Derivative Liability, Notional Amount | $ 160,000 |
Debt Instrument, Description of Variable Rate Basis | 3 month LIBOR | [1]
Derivative, Fixed Interest Rate | 3.378% | [1]
Derivative, Inception Date | Oct. 21, 2014 | [2]
Derivative, Maturity Date | Oct. 21, 2021 | [2]
Interest Rate Swap Two |  |
Derivatives |  |
Derivative Liability, Notional Amount | $ 100,000 |
Debt Instrument, Description of Variable Rate Basis | 3 month LIBOR | [1]
Derivative, Fixed Interest Rate | 2.498% | [1]
Derivative, Inception Date | Nov. 30, 2015 | [2]
Derivative, Maturity Date | Nov. 30, 2022 | [2]
[1] | The Company pays the fixed interest rate and the counterparties pay the Company the variable interest rate.
[2] | No cash will be exchanged prior to the term.

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- Definition The reference rate for the variable rate of the interest rate derivative, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
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