Earnings Per Share (Narrative) (Details) - shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Earnings Per Share [Abstract]
Weighted average unvested shares outstanding	200,000	300,000	300,000
Anti-dilutive stock options excluded from dilutive earnings per share calculation	0	0	0
Cumulative convertible preferred share, dividend rate	5.417%	5.417%	5.417%