|
Property and Equipment (Details) (USD $)
|
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
|
Sep. 30, 2013
|
Sep. 30, 2012
|
Sep. 30, 2013
|
Sep. 30, 2012
|
Dec. 31, 2012
|
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| Property, Plant and Equipment [Line Items] | |||||
| Property and Equipment, Gross | $ 71,279,000 | $ 71,279,000 | $ 67,209,000 | ||
| Accumulated Depreciation | (37,787,000) | (37,787,000) | (33,102,000) | ||
| Property and equipment, net | 33,492,000 | 33,492,000 | 34,107,000 | ||
| Depreciation expense | 2,600,000 | 2,200,000 | 8,200,000 | 5,700,000 | |
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Equipment [Member]
|
|||||
| Property, Plant and Equipment [Line Items] | |||||
| Property and Equipment, Gross | 35,483,000 | 35,483,000 | 32,528,000 | ||
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Furniture and Fixtures [Member]
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|||||
| Property, Plant and Equipment [Line Items] | |||||
| Property and Equipment, Gross | 5,149,000 | 5,149,000 | 5,126,000 | ||
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Leasehold Improvements [Member]
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| Property, Plant and Equipment [Line Items] | |||||
| Property and Equipment, Gross | 7,356,000 | 7,356,000 | 6,992,000 | ||
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Software [Member]
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| Property, Plant and Equipment [Line Items] | |||||
| Property and Equipment, Gross | 19,800,000 | 19,800,000 | 19,870,000 | ||
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Construction in Progress [Member]
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|||||
| Property, Plant and Equipment [Line Items] | |||||
| Property and Equipment, Gross | $ 3,491,000 | $ 3,491,000 | $ 2,693,000 | ||