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Derivative Financial Instruments (Details Textual) (Interest Rate Cap [Member], USD $)	1 Months Ended			12 Months Ended
	Aug. 31, 2012	Dec. 31, 2012	Aug. 24, 2012 Agreement	Dec. 31, 2012 Interest Expense [Member]
Derivative Financial Instruments (Textual) [Abstract]
Number of interest rate cap agreements			2
Aggregate notional amount of interest rate cap agreements			$ 57,500,000
Interest rate cap LIBOR	and cap LIBOR at 1%
Derivative Cap Interest Rate		1.00%
Termination date of both interest rate cap agreements	Sep. 30, 2014
Fair value of the interest rate caps reported in other assets		19,000
Change in fair value, reported in interest expense				$ 69,000

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- 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.

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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.

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- Definition

Decrease in the fair value of the derivative or group of derivatives included in earnings in the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959

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- Definition

Date the derivative contract matures, in CCYY-MM-DD format.

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- Definition

The number of derivative instruments of a particular group held by the entity.

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-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

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Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets.

+ References

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

-Publisher FASB

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Aggregate notional amount of interest rate derivatives, which relates to the currency amount specified in the interest rate derivative instruments.

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