Debt and Capital Lease Obligations Long-term Debt and Capital Lease Obligations Maturities (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Debt, Long-term and Short-term, Combined Amount [Abstract]    
Short-term debt $ 1,124 $ 24,168
Less portion due within one year 13,025 8,531
Total - Long term debt - related party 153,090  
Long-term debt 140,065 130,955
Debt, Long-term and Short-term, Combined Amount 154,214 163,654
Total - Capital lease facility 2,684 3,000
Capital Lease Obligations, Current 1,039 817
Capital Lease Obligations, Noncurrent 1,645 2,183
Long-term Debt, Fiscal Year Maturity [Abstract]    
2013 13,025  
2014 21,874  
2015 30,765  
2016 18,936  
2017 68,490  
Thereafter 0  
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]    
2013 1,039  
2014 1,048  
2015 463  
2016 134  
2017 0  
Thereafter 0  
Subsidiaries
   
Debt, Long-term and Short-term, Combined Amount [Abstract]    
Pledged Assets, Other, Not Separately Reported on Statement of Financial Position 486,567  
Parent [Member]
   
Debt, Long-term and Short-term, Combined Amount [Abstract]    
Total - Long-term debt - non - related parties 152,699 139,111
Less portion due within one year 13,025 8,531
Long-term debt 139,674 130,580
Long-term Debt, Fiscal Year Maturity [Abstract]    
2013 13,025  
2014 21,874  
2015 30,765  
2016 18,936  
2017 68,099  
Thereafter 0  
Parent [Member] | Loans Payable [Member] | Senior Notes [Member]
   
Debt, Long-term and Short-term, Combined Amount [Abstract]    
Total - Long-term debt - non - related parties 115,000 0
Parent [Member] | Loans Payable [Member] | First Lien Term Loan [Member]
   
Debt, Long-term and Short-term, Combined Amount [Abstract]    
Total - Long-term debt - non - related parties 15,340 36,518
Parent [Member] | Loans Payable [Member] | Second Lien Term Loan [Member]
   
Debt, Long-term and Short-term, Combined Amount [Abstract]    
Total - Long-term debt - non - related parties 0 75,000
Parent [Member] | Subordinated Debt [Member]
   
Debt, Long-term and Short-term, Combined Amount [Abstract]    
Total - Long-term debt - non - related parties 9,049 18,559
Parent [Member] | Mortgages [Member]
   
Debt, Long-term and Short-term, Combined Amount [Abstract]    
Total - Long-term debt - non - related parties 8,597 7,034
Parent [Member] | Foreign Line of Credit [Member]
   
Debt, Long-term and Short-term, Combined Amount [Abstract]    
Total - Long-term debt - non - related parties 4,713 2,000
Affiliated Entity | Subordinated Debt [Member]
   
Debt, Long-term and Short-term, Combined Amount [Abstract]    
Total - Long-term debt - non - related parties 391 375
Long-term Debt, Fiscal Year Maturity [Abstract]    
2013 0  
2014 0  
2015 0  
2016 0  
2017 391  
Thereafter 0  
Revolving Credit Facility [Member]
   
Debt, Long-term and Short-term, Combined Amount [Abstract]    
Short-term debt 0 23,850
Collateralized Mortgage Backed Securities [Member]
   
Debt, Long-term and Short-term, Combined Amount [Abstract]    
Short-term debt 778 318
Convertible Subordinated Debt [Member]
   
Debt, Long-term and Short-term, Combined Amount [Abstract]    
Short-term debt $ 346 $ 0