Net Income Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Numerator for basic earnings per share:
Net income	$ 2,594	$ 1,574
Less: Dividends on preferred stock	121	129
Net income available to common shareholders - basic	2,473	1,445
Numerator for diluted earnings per share:
Net income available to common shareholders - basic	2,473	1,445
Add: Interest on subordinated debt (tax effected)	404	0
Net income available to common shareholders - diluted	$ 2,877	$ 1,445
Denominator:
Total average shares outstanding (in shares)	10,474,138	9,996,544
Effect of dilutive convertible subordinated debt (in shares)	1,837,500	0
Effect of dilutive stock options (in shares)	402,715	12,797
Total diluted average shares outstanding (in shares)	12,714,353	10,009,341
Earnings per share from continuing operations - basic (in dollars per share)	$ 0.24	$ 0.14
Earnings per share from continuing operations - diluted (in dollars per share)	$ 0.23	$ 0.14
Stock option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded form computation of earnings per share (in shares)	490,000	2,300,000
Restricted Stock Units (RSUs)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded form computation of earnings per share (in shares)	3,000