Earnings (Loss) Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income (Loss) [Abstract]
Net income (loss)	$ 3,185	$ 1,460	$ (1,839)	$ 1,239
Less: preferred stock dividends	(100)	(100)	(199)	(199)
Net income (loss) applicable to common shareholders	3,085	$ 1,360	$ (2,038)	$ 1,040
Diluted Earnings Per Common Share [Abstract]
Net income applicable to common shareholders	$ 3,185
Shares [Abstract]
Weighted average shares outstanding, Basic (in shares)	20,286
Weighted average shares outstanding, Diluted (in shares)	21,664
Weighted average shares outstanding (in shares)		20,412	20,352	20,422
Per Share Amount [Abstract]
Net income applicable to common shareholders, Basic (in dollars per share)	$ 0.15
Net income applicable to common shareholders, Diluted (in dollars per share)	0.15
Net income (loss) applicable to common shareholders (in dollars per share)	$ 0.15	$ 0.07	$ (0.10)	$ 0.05
Series D Preferred Stock [Member]
Diluted Earnings Per Common Share [Abstract]
Effect of Series D preferred stock	$ 100
Shares [Abstract]
Effects of Series D preferred stock (in shares)	1,378