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Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]    
Net income $ (1,949) $ 425
Net Income Allocated to Class A Common Stock (1,929) 421
Net Income Allocated to Class B Common Stock $ (20) $ 4
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
Weighted Average Shares Outstanding, Diluted 49,080 49,080
Basic earnings per share $ (0.04) $ 0.01
Diluted earnings per share $ (0.04) $ 0.01
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
Basic earnings per share $ (0.02) $ 0.00
Diluted earnings per share $ (0.02) $ 0.00