Common Stock (Details) - $ / shares	2 Months Ended	3 Months Ended		6 Months Ended		41 Months Ended	43 Months Ended
	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Apr. 30, 2014	Mar. 31, 2014	Dec. 31, 2014
Class of Stock [Line Items]
Common stock, shares outstanding (in shares)		162,556,189		162,556,189				162,181,939
Dividends declared (in dollars per share)	$ 0.46	$ 0.12	$ 0.08	$ 0.23	$ 0.23	$ 0.605
Dividends declared per day (in dollars per share)							$ 0.0016575342
Common stock
Class of Stock [Line Items]
Common stock, shares outstanding (in shares)		162,556,189		162,556,189				162,181,939