Equity - Earnings Per Share (EPS) (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Common stock	20,724,689	20,660,797	20,713,396	20,653,363
Common stock equivalents-stock options, grants	115,693	69,701	103,664	64,554
Diluted shares outstanding	20,840,382	20,730,498	20,817,060	20,717,917