Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares |
Sep. 30, 2016 |
Dec. 31, 2015 |
---|---|---|
Class A Common Stock [Member] | ||
Common stock par value | $ 0.01 | $ 0.01 |
Common stock, shares authorized | 100,000,000 | 100,000,000 |
Common stock, shares outstanding | 9,693,254 | 9,156,686 |
Class B Common Stock [Member] | ||
Common stock par value | $ 0.01 | $ 0.01 |
Common stock, shares authorized | 100,000,000 | 100,000,000 |
Common stock, shares outstanding | 23,119,246 | 23,655,814 |