Quarterly report pursuant to Section 13 or 15(d)

Non-Controlling Interest Non-Controlling Interest (Narrative) (Details)

v2.4.0.8
Non-Controlling Interest Non-Controlling Interest (Narrative) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Noncontrolling Interest [Line Items]        
Cash dividends per share $ 0.22 $ 0.22 $ 0.66 $ 0.66
Non-controlling Interest, Ownership Percentage by Parent 60.00%   60.00%  
Non-controlling Interest [Member]
       
Noncontrolling Interest [Line Items]        
Payments to Acquire Interest in Joint Venture     $ 8,000  
Parent [Member]
       
Noncontrolling Interest [Line Items]        
Cash dividends per share     $ 0.66  
Payments to Acquire Interest in Joint Venture     $ 12,000