Derivative Financial Instruments (Details 2) (Interest Rate Swap, USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015
Term April 2015 To December 2015
Derivative Financial Instruments
Weighted Average Notional Amount	$ 45,319
Weighted Average Fixed Rate (as a percent)	2.03%
Floating Rate	6-month LIBOR
Term January 2016 to June 2016
Derivative Financial Instruments
Weighted Average Notional Amount	12,500
Weighted Average Fixed Rate (as a percent)	2.27%
Floating Rate	6-month LIBOR
Interest Rate Cap \| Term January 2016 to December 2018
Derivative Financial Instruments
Weighted Average Notional Amount	$ 200,000
Weighted Average Fixed Rate (as a percent)	1.23%
Floating Rate	1-month LIBOR
Interest rate cap	3.00%

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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Period Type:	instant

- Definition

Average fixed interest rate related to the group of interest rate derivatives.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Cap rate on an interest rate derivative such as an interest rate cap or collar. If market rates exceed the cap rate, a payment or receipt is triggered on the contract.

+ References

No definition available.

+ Details

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Period Type:	instant

- 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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Data Type:	xbrli:stringItemType
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- Details

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