Earnings (Loss) Per Common Share (Details) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016 USD ($) $ / shares	Sep. 30, 2016 USD ($) $ / shares	Jun. 30, 2016 USD ($) $ / shares	Mar. 31, 2016 USD ($) $ / shares	Dec. 31, 2015 USD ($) $ / shares	Sep. 30, 2015 USD ($) $ / shares	Jun. 30, 2015 USD ($) $ / shares	Mar. 31, 2015 USD ($) $ / shares	Dec. 31, 2016 USD ($) item $ / shares shares	Dec. 31, 2015 USD ($) $ / shares 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) | $	$ 4,003	$ 1,688	$ 1,696	$ 1,855	$ 5,973	$ 1,100	$ 1,032	$ 1,167	$ 9,242	$ 9,272
Average shares (denominator) (in shares)									30,081,000
Per share Amount (in dollars per share) | $ / shares									$ 0.31
Earnings Per Share, Diluted [Abstract]
Income (loss) available to common shareholders (numerator) | $									$ 9,242	$ 9,272
Average shares (denominator) (in shares)									30,146,000	30,088,000
Per share Amount (in dollars per share) | $ / shares									$ 0.31	$ 0.31
Basic and Diluted EPS [Abstract]
Income (loss) available to common shareholders (numerator) | $	$ 4,003	$ 1,688	$ 1,696	$ 1,855	$ 5,973	$ 1,100	$ 1,032	$ 1,167	$ 9,242	$ 9,272
Average shares (denominator) (in shares)										30,041,000
Net Income - Basic and Diluted | $ / shares	$ 0.13	$ 0.06	$ 0.06	$ 0.06	$ 0.20	$ 0.04	$ 0.03	$ 0.04	$ 0.31	$ 0.31
Employee Stock Option
Basic and Diluted EPS [Abstract]
Number of antidilutive common share (in shares)									68,139	96,655
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