Stockholders' Equity - Cash Dividends Declared - Common Stock (Details) - $ / shares													3 Months Ended
	Jan. 26, 2017	Oct. 28, 2016	Jul. 25, 2016	Apr. 25, 2016	Jan. 25, 2016	Oct. 26, 2015	Jul. 27, 2015	Apr. 27, 2015	Jan. 26, 2015	Oct. 27, 2014	Jul. 25, 2014	Apr. 25, 2014	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]
Declaration Date													Dec. 15, 2016	Sep. 15, 2016	Jun. 16, 2016	Mar. 18, 2016	Dec. 16, 2015	Sep. 18, 2015	Jun. 18, 2015	Mar. 18, 2015	Dec. 12, 2014	Sep. 18, 2014	Jun. 18, 2014	Mar. 13, 2014
Record Date													Dec. 27, 2016	Sep. 26, 2016	Jun. 27, 2016	Mar. 28, 2016	Dec. 28, 2015	Sep. 28, 2015	Jun. 29, 2015	Mar. 30, 2015	Dec. 22, 2014	Sep. 29, 2014	Jun. 30, 2014	Mar. 24, 2014
Payment Date													Jan. 26, 2017	Oct. 28, 2016	Jul. 25, 2016	Apr. 25, 2016	Jan. 25, 2016	Oct. 26, 2015	Jul. 27, 2015	Apr. 27, 2015	Jan. 26, 2015	Oct. 27, 2014	Jul. 25, 2014	Apr. 25, 2014
Cash Dividend Per Share		$ 0.24	$ 0.24	$ 0.24	$ 0.24	$ 0.24	$ 0.27	$ 0.27	$ 0.27	$ 0.27	$ 0.27	$ 0.27
Subsequent Event
Dividends Payable [Line Items]
Cash Dividend Per Share	$ 0.24