Earnings Per Share (EPS Computations) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Earnings Per Share [Abstract]
Less: Earnings allocated to unvested restricted stock	$ 2,200	$ 3,038	$ 14,303	$ 14,532
Income attributable to common stockholders	(11)	(10)	(79)	(52)
Income attributable to common stockholders	$ 2,189	$ 3,028	$ 14,224	$ 14,480
Denominator [Abstract]
Denominator for basic earnings per common share - weighted average shares outstanding	19,060	16,476	17,701	16,575
Effect of dilutive securities, Stock options (in shares)	101	335	123	332
Effect of dilutive securities, Convertible junior subordinated debentures (in shares)	0	787	449	980
Weighted average number of common and common equivalent shares outstanding for diluted EPS computation	19,161	17,598	18,273	17,887
Basic and Diluted earnings per common share:
Continuing operations (in dollars per Share)	$ 0.11	$ 0.18	$ 0.80	$ 0.87
Continuing operations (in dollars per Share)	$ 0.11	$ 0.17	$ 0.78	$ 0.81
Antidilutive securities excluded from computation of diluted EPS	1,065	455	1,041	320