Earnings (Loss) Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income (Loss) [Abstract]
Net income (loss)	$ (221)	$ 898
Less preferred stock dividends	(99)	(99)
Net income (loss) applicable to common shareholders	$ (320)	$ 799
Shares [Abstract]
Weighted average shares outstanding (in shares)	20,432	20,406
Per Share Amount [Abstract]
Net income (loss) applicable to common shareholders (in dollars per share)	$ (0.02)	$ 0.04