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Subsequent Events (Details Textual) (USD $)
In Millions, except Share data, unless otherwise specified |
6 Months Ended | |
|---|---|---|
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Jun. 30, 2012
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Jul. 31, 2012
Lenders
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| Line of Credit Facility [Line Items] | ||
| Total lending commitment | $ 40.0 | |
| Subsequent Events (Textual) [Abstract] | ||
| Public offering common stock | 2,645,000 | |
| Price per share | $ 34.75 | |
| Net proceeds from offering estimated | 87.1 | |
| Number of lenders | 4 | |
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Revolving Credit Facility [Member]
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| Line of Credit Facility [Line Items] | ||
| Total lending commitment | 125.0 | |
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Letter of Credit [Member]
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||
| Line of Credit Facility [Line Items] | ||
| Available for Issuance | 50.0 |
| X | ||||||||||
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- Definition
Amount available for issuance for letters of credit. No definition available.
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| X | ||||||||||
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- Definition
Number of lenders. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash inflow from the additional capital contribution to the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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