Equity - Earnings Per Share (EPS) (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Weighted average number of shares outstanding:
Common stock (in shares)	25,959,546	20,864,470	25,941,243	20,849,325
Common stock equivalents (in shares)	20,881	30,003	31,716	43,951
Diluted shares outstanding (in shares)	25,980,427	20,894,473	25,972,959	20,893,276