Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity Schedule of Dividends Declared (Details)

v3.6.0.2
Stockholders' Equity Schedule of Dividends Declared (Details) - $ / shares
3 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dividends Payable [Line Items]                        
Dividends Payable, Date Declared Dec. 15, 2016 Sep. 15, 2016 Jun. 16, 2016 Mar. 15, 2016 Dec. 16, 2015 Sep. 16, 2015 Jun. 17, 2015 Mar. 18, 2015 Dec. 16, 2014 Sep. 16, 2014 Jun. 17, 2014 Mar. 17, 2014
Dividends Payable, Date of Record Dec. 30, 2016 Sep. 30, 2016 Jun. 30, 2016 Mar. 31, 2016 Dec. 30, 2015 Sep. 30, 2015 Jun. 30, 2015 Mar. 31, 2015 Dec. 30, 2014 Sep. 30, 2014 Jul. 02, 2014 Mar. 31, 2014
Dividends Payable, Date to be Paid Jan. 27, 2017 Oct. 20, 2016 Jul. 20, 2016 Apr. 21, 2016 Jan. 20, 2016 Oct. 22, 2015 Jul. 21, 2015 Apr. 21, 2015 Jan. 20, 2015 Oct. 21, 2014 Jul. 22, 2014 Apr. 21, 2014
Common Stock, Dividends, Per Share, Declared $ 0.24 $ 0.23 $ 0.23 $ 0.23 $ 0.26 $ 0.26 $ 0.26 $ 0.26 $ 0.26 $ 0.26 $ 0.26 $ 0.26