Subsequent Events - Narrative (Details) (USD $)	0 Months Ended								12 Months Ended
	Feb. 24, 2014	Nov. 05, 2013	Aug. 06, 2013	May 07, 2013	Mar. 06, 2013	Dec. 18, 2012	Mar. 14, 2012	Nov. 09, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Feb. 12, 2014	Feb. 04, 2014
Subsequent Events [Abstract]
Approved Rate Increase												4.30%	17.00%
Common Stock, Dividends, Per Share, Declared	$ 0.04	$ 0.03	$ 0.03	$ 0.03	$ 0.03	$ 0.03	$ 0.05	$ 0.05	$ 0.12	$ 0.08	$ 0.05