Quarterly report pursuant to Section 13 or 15(d)

Stock Repurchase Program (Narrative) (Details)

v3.2.0.727
Stock Repurchase Program (Narrative) (Details) - shares
1 Months Ended 3 Months Ended 9 Months Ended 93 Months Ended 96 Months Ended 102 Months Ended
Jun. 30, 2015
May. 31, 2015
Apr. 30, 2015
Mar. 31, 2015
Feb. 28, 2015
Jan. 31, 2015
Dec. 31, 2014
Nov. 30, 2014
Oct. 31, 2014
Jun. 30, 2015
Mar. 31, 2015
Jun. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Jun. 30, 2015
Jun. 30, 2015
Dec. 31, 2007
Equity, Class of Treasury Stock [Line Items]                                  
Number of shares authorized to be repurchased                                 1,000,000
Remaining number of shares authorized to be repurchased 816,296                 816,296   816,296     816,296 816,296  
Maximum repurchases allowed under provision through calendar year                       450,000          
Maximum repurchases allowed under provision annually per individual                       50,000          
Treasury Stock, Shares, Acquired         250           250 250 2,183,454   2,183,704 2,183,704  
Maximum [Member]                                  
Equity, Class of Treasury Stock [Line Items]                                  
Maximum repurchases allowed under provision through calendar year                       3,000,000