Equity - Earnings Per Share (EPS) (Details) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015	Aug. 07, 2013
Weighted average number of shares outstanding:
Common stock	20,732,767	20,669,348	20,719,900	20,658,750
Common stock equivalents-stock options, grants	128,334	79,544	125,940	70,969
Diluted shares outstanding	20,861,101	20,748,892	20,845,840	20,729,719
Class of Stock [Line Items]
Common stock, par value per share (in dollars per share)	$ 0.50		$ 0.50		$ 0.50	$ 0.50
Warrant
Class of Stock [Line Items]
Aggregate number of warrants						3,000,000
Number of securities called by warrants						1
Exercise price (in dollars per share)						$ 40.00