Goodwill and Other Intangible Assets (Details 2) (USD $) In Thousands	6 Months Ended
Jun. 30, 2011
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
For the six months ended December 31, 2011	$ 1,626
For the twelve months ended December 31, 2012	2,715
For the twelve months ended December 31, 2013	2,437
For the twelve months ended December 31, 2014	1,902
For the twelve months ended December 31, 2015	1,799
Thereafter	5,141
Total	$ 15,620

Future amortization expense for remaining months in current year.

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- Definition

Future Amortization Expense Thereafter.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

The aggregate estimated amortization expense for each of the five succeeding fiscal years for intangible assets subject to amortization.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph a(3)

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Details

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- Definition

The amount of amortization expense expected to be recognized during the fifth twelve-month period following the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph a(3)

+ Details

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Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
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- Definition

The amount of amortization expense expected to be recognized during the fourth twelve-month period following the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph a(3)

+ Details

Name:	us-gaap_FutureAmortizationExpenseYearFour
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Data Type:	xbrli:monetaryItemType
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- Definition

The amount of amortization expense expected to be recognized during the third twelve-month period following the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph a(3)

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

The amount of amortization expense expected to be recognized during the second twelve-month period following the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph a(3)

+ Details

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Balance Type:	debit
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