Annual report pursuant to Section 13 and 15(d)

Long-Term Debt (Aggregate Contractual Maturities Of Long-Term Debt) (Details)

v3.3.1.900
Long-Term Debt (Aggregate Contractual Maturities Of Long-Term Debt) (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Long-term Debt, Unclassified [Abstract]    
Long-term Debt, Maturities, Repayments of Principal in Year One $ 25,000  
Long-term Debt, Maturities, Repayments of Principal in Year Two 25,000  
Long-term Debt, Maturities, Repayments of Principal in Year Three 37,500  
Long-term Debt, Maturities, Repayments of Principal in Year Four 37,500  
Long-term Debt, Maturities, Repayments of Principal in Year Five 515,000  
Total long-term debt $ 640,000 $ 228,126