Earnings Per Share (EPS Computations) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Earnings Per Share [Abstract]
Net income	$ 4,571	$ 6,418
Less: Earnings allocated to unvested restricted stock	(41)	(100)
Income attributable to common stockholders	$ 4,530	$ 6,318
Denominator [Abstract]
Denominator for basic earnings per common share - weighted average shares outstanding	16,459,000	18,208,000
Effect of dilutive securities, Stock options (in shares)	191,000	248,000
Effect of dilutive securities, Convertible junior subordinated debentures (in shares)	0	348,000
Weighted average number of common and common equivalent shares outstanding for diluted EPS computation	16,650,000	18,804,000
Basic earnings per common share:
Continuing operations (in dollars per Share)	$ 0.27	$ 0.35
Diluted earnings per common share:
Continuing operations (in dollars per Share)	$ 0.27	$ 0.34
Antidilutive securities excluded from computation of diluted EPS	538,000	25,000