Stockholders' Equity, Dividends (Details) - $ / shares shares in Millions	3 Months Ended						9 Months Ended
	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Stockholders' Equity [Abstract]
Shares outstanding (in shares)	29.5			25.5			29.5	25.5	29.8
Dividends Payable [Line Items]
Dividends declared (in dollars per share)	$ 0.02			$ 0.07			$ 0.06	$ 0.21
Quarterly Dividend [Member]
Dividends Payable [Line Items]
Dividends declared (in dollars per share)							$ 0.06	$ 0.21
Quarterly Dividend Declared in Q1 2016 [Member]
Dividends Payable [Line Items]
Dividends declared (in dollars per share)			$ 0.02
Dividend payment date							Mar. 29, 2016
Dividend record date							Mar. 15, 2016
Quarterly Dividend Declared in Q2 2016 [Member]
Dividends Payable [Line Items]
Dividends declared (in dollars per share)		$ 0.02
Dividend payment date							Jun. 28, 2016
Dividend record date							Jun. 14, 2016
Quarterly Dividend Declared in Q3 2016 [Member]
Dividends Payable [Line Items]
Dividends declared (in dollars per share)	$ 0.02
Dividend payment date							Sep. 27, 2016
Dividend record date							Sep. 13, 2016
Quarterly Dividend Declared in Q1 2015 [Member]
Dividends Payable [Line Items]
Dividends declared (in dollars per share)						$ 0.07
Dividend payment date							Mar. 31, 2015
Dividend record date							Mar. 17, 2015
Quarterly Dividend Declared in Q2 2015 [Member]
Dividends Payable [Line Items]
Dividends declared (in dollars per share)					$ 0.07
Dividend payment date							Jun. 30, 2015
Dividend record date							Jun. 16, 2015
Quarterly Dividend Declared in Q3 2015 [Member]
Dividends Payable [Line Items]
Dividends declared (in dollars per share)				$ 0.07
Dividend payment date							Sep. 29, 2015
Dividend record date							Sep. 15, 2015