Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Equity [Abstract]
Treasury sock, shares, acquired	6,365
Treasury stock, value, acquired	$ 0.7
Stock Issued During Period, Shares, Treasury Stock Reissued	22,156
Cash dividends per share (in dollars per share)	$ 0.55	$ 0.55
Dividends declared (in dollars per share)	$ 0.55