Consolidated Statements of Changes in Total Equity (Parenthetical) - $ / shares		12 Months Ended
	May. 20, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Stockholders' Equity [Abstract]
Dividends per common share	$ 0.18	$ 0.72	$ 0.72	$ 0.54