| **Intangible Assets**                                                        | 6 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
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| **Condensed Notes to Interim Consolidated Financial Statements (Unaudited)** | Â                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| Intangible Assets Disclosure Text Block                                      | (3)       Intangible Assets

Amortization expense for amortizable intangible assets was as follows (amounts in thousands):

 
   Three Months Ended Six Months Ended   June 30, June 30,   2011 2010 2011 2010 Amortization expense$ 1,583  1,586  3,156  3,297
Amortization expense for amortizable intangible assets for each of the five succeeding fiscal years is estimated to be (amounts in thousands): 

 
 Years Ending December 31,   2011$ 5,877 2012  4,059 2013  3,001 2014  2,141 2015  1,414 |

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| - Definition
This block of text may be used to disclose all or part of the information related to intangible assets.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph  44, 45, 46
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