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Earnings Per Share (EPS Computations) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Less: Earnings allocated to unvested restricted stock	$ (4,197)	$ 6,525
Income (loss) attributable to common stockholders	13	(33)
Income (loss) attributable to common stockholders	$ (4,184)	$ 6,492
Denominator [Abstract]
Denominator for basic earnings per common share - weighted average shares outstanding	17,805,000	18,057,000
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	0	40,000
Effect of dilutive securities, Convertible junior subordinated debentures (in shares)	0	0
Weighted average number of common and common equivalent shares outstanding for diluted EPS computation	17,805,000	18,097,000
Basic and Diluted earnings per common share:
Continuing operations (in dollars per Share)	$ (0.23)	$ 0.36
Continuing operations (in dollars per Share)	$ (0.23)	$ 0.36
Antidilutive securities excluded from computation of diluted EPS	27,000
Stock Options
Basic and Diluted earnings per common share:
Antidilutive securities excluded from computation of diluted EPS	1,034,000	1,307,000

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