EX-12.1 3 d281892dex121.htm EX-12.1 EX-12.1

EXHIBIT 12.1

Computation of Ratio of Debt to Equity

 

     Year ended December 31,  

Dollars in thousands

   2016    2015      2014      2013      2012  

Debt

   $349,073    $ 404,540      $ 348,795      $ 314,958      $ 322,770  

Equity

   286,096      278,088        274,670        273,495        216,318  

Debt to equity

   1.22      1.45        1.27        1.15        1.49