Disclosure Of Fair Value Of Assets And Liabilities (Narrative) (Details) - USD ($) |
Mar. 31, 2016 |
Dec. 31, 2015 |
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| Disclosure Of Fair Value Of Assets And Liabilities [Abstract] | ||
| Fair value of Company's long-term debt | $ 2,299,752,000 | $ 2,150,507,000 |
| Book value of Company's long-term debt | $ 2,269,287,000 | $ 2,145,393,000 |
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- Definition Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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