Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income	$ (1,914)	$ 1,150	$ (1,489)	$ 2,347
Net Income Allocated to Class A Common Stock	(1,895)	1,138	(1,474)	2,323
Net Income Allocated to Class B Common Stock	$ (19)	$ 12	$ (15)	$ 24
Common Class A [Member]
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Weighted Average Shares Outstanding, Basic	49,080	49,080	49,080	49,080
Weighted Average Shares Outstanding, Diluted	49,080	49,080	49,080	49,080
Basic earnings per share	$ (0.04)	$ 0.03	$ (0.03)	$ 0.05
Diluted earnings per share	$ (0.04)	$ 0.03	$ (0.03)	$ 0.05
Common Stock Class B [Member]
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Weighted Average Shares Outstanding, Basic and Diluted	1,002	1,002	1,002	1,002
Basic earnings per share	$ (0.02)	$ 0.01	$ (0.02)	$ 0.02
Diluted earnings per share	$ (0.02)	$ 0.01	$ (0.02)	$ 0.02