Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Components Of Long-Term Debt) (Details)

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Long-Term Debt (Components Of Long-Term Debt) (Details) - USD ($)
$ in Thousands
May. 28, 2010
Sep. 30, 2015
Dec. 31, 2014
Line Of Credit Facility And Long Term Debt [Line Items]      
5% Senior Subordinated Notes due 2017 (refer to Note 16)   $ 19,624 $ 18,491
Term note   107 68
Total carrying amount of long-term debt   19,731 18,559
Long-term debt, net   19,731 $ 18,559
Unsecured Subordinated Notes, interest rate 5.00%    
Revolving Credit Facility [Member]      
Line Of Credit Facility And Long Term Debt [Line Items]      
Credit facility   $ 0