Earnings Per Share (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Earnings Per Share [Abstract]
Weighted average shares of non-vested restricted stock excluded from basic earnings per share	198,459	235,981	206,276	238,168
Calculation of basic and diluted earnings per common share
Weighted average number of common shares used for basic earnings per share	26,858,029	26,654,518	26,834,863	26,621,662
Effect of potential dilutive shares	225,483	370,843	235,815	0
Weighted average number of common shares and potential dilutive shares used for diluted earnings per share	27,083,512	27,025,361	27,070,678	26,621,662
Weighted average number of anti-dilutive shares outstanding at period-end that are excluded from the above reconciliation	5,764,994	4,246,924	5,837,675	4,487,876