XML 17 R42.htm IDEA: XBRL DOCUMENT v2.4.0.6
Dividends (Narrative) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 0 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Apr. 09, 2013
Subsequent Event [Member]
Subsequent Event [Line Items]      
Dividend declared date     Apr. 09, 2013
Dividend per common share to be paid     $ 0.16750
Dividend payable date Mar. 15, 2013   Jun. 14, 2013
Dividend record date Feb. 22, 2013   May 10, 2013
Cash dividends per common share (dollars per share) $ 0.16625 $ 0.16  
Total cash dividends paid $ 11,415 $ 10,847