SUBSEQUENT EVENTS (Details) (USD $)	12 Months Ended			0 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jan. 12, 2015
Subsequent Event
Common stock dividends, declared (in dollars per share)	$ 1.51	$ 1.36	$ 1.32
Subsequent Event | Dividend Declared
Subsequent Event
Common stock dividends, declared (in dollars per share)				$ 0.39
Preferred stock dividends, declared (in dollars per share)				$ 0.4453125