Consolidated Statement Of Stockholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Preferred stock dividends, per share	$ 0	$ 3	$ 4
Common stock dividends, per share	$ 0.23	$ 0.20	$ 0.20