Earnings (Loss) Per Common Share (Details) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended		21 Months Ended
	Sep. 30, 2017 USD ($) $ / shares shares	Sep. 30, 2016 USD ($) $ / shares shares	Sep. 30, 2017 USD ($) item $ / shares shares	Sep. 30, 2016 USD ($) $ / shares shares	Sep. 30, 2017 shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of classes of common stock outstanding | item			2
Earnings Per Share, Basic [Abstract]
Income (loss) available to common shareholders (numerator) | $	$ 2,275	$ 1,688	$ 7,094	$ 5,239
Average shares (denominator) (in shares)	30,144,000		30,133,000	30,077,000
Per share Amount (in dollars per share) | $ / shares	$ 0.08	$ 0.06	$ 0.24	$ 0.17
Earnings Per Share, Diluted [Abstract]
Income (loss) available to common shareholders (numerator) | $	$ 2,275	$ 1,688	$ 7,094	$ 5,239
Average shares (denominator) (in shares)	30,246,000	30,158,000	30,234,000	30,157,000
Per share Amount (in dollars per share) | $ / shares	$ 0.08	$ 0.06	$ 0.23	$ 0.17
Basic and Diluted EPS [Abstract]
Income (loss) available to common shareholders (numerator) | $	$ 2,275	$ 1,688	$ 7,094	$ 5,239
Average shares (denominator) (in shares)		30,086,000
Net Income - Basic and Diluted | $ / shares		$ 0.06
Employee Stock Option
Basic and Diluted EPS [Abstract]
Number of antidilutive common share (in shares)	39,300	68,139	39,300	68,139
Warrant To Purchase Class A Common Stock [Member]
Basic and Diluted EPS [Abstract]
Number of antidilutive common share (in shares)					1,368,040
Class B - Common stock
Basic and Diluted EPS [Abstract]
Number of shares received after conversion, per share			1.15