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Subsequent Events
12 Months Ended
Dec. 31, 2017
Subsequent Events [Abstract]  
Subsequent Events
17.
Subsequent Events
 
On February 28, 2018, the Company’s Board of Directors declared a regular cash dividend of $0.30 per share on its Classes A and B Common Stock. This dividend, totaling approximately $1.8 million, will be paid on March 30, 2018 to shareholders of record on March 12, 2018.