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Fixed Assets (Details Textual) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
| Property, Plant and Equipment [Line Items] | |||
| Depreciation, Total | $ 19,645 | $ 18,758 | $ 17,603 |
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Capital Lease Obligations [Member]
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| Property, Plant and Equipment [Line Items] | |||
| Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation | 1,417 | 2,721 | |
| Capital Leased Assets, Gross | $ 2,462 | $ 3,941 | |