Debt (Schedule of Interest Rate Derivatives) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014
Interest Rate Swap, Date Entered, May 2012 [Member]
Derivative [Line Items]
Derivative, Fixed Interest Rate	3.29%
Debt Instrument, Description of Variable Rate Basis	1-month LIBOR
Derivative, Basis Spread on Variable Rate	1.75%
Derivative, Notional Amount	$ 40,000
Interest Rate Cash Flow Hedge Liability at Fair Value	(98)
Interest Rate Swap, Date Entered, June 2013 [Member]
Derivative [Line Items]
Derivative, Fixed Interest Rate	3.86%
Debt Instrument, Description of Variable Rate Basis	1-month LIBOR
Derivative, Basis Spread on Variable Rate	1.75%
Derivative, Notional Amount	80,000
Interest Rate Cash Flow Hedge Liability at Fair Value	(1,814)
Interest Rate Swap, Date Entered, March 2014 [Member]
Derivative [Line Items]
Derivative, Fixed Interest Rate	3.91%
Debt Instrument, Description of Variable Rate Basis	1-month LIBOR
Derivative, Basis Spread on Variable Rate	1.75%
Derivative, Notional Amount	130,000
Interest Rate Cash Flow Hedge Liability at Fair Value	$ (3,281)

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

+ Details

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- Definition

The reference rate for the variable rate of the debt instrument, 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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- Definition

The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.

+ References

No definition available.

+ Details

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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- Details

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- Definition

Fair value as of the balance sheet date of all interest rate derivative liabilities designated as cash flow hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624163-113959

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