Consolidated Statements of Financial Condition (Parenthetical) - $ / shares |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Preferred stock, par value | $ 0.01 | $ 0.01 |
| Preferred stock, shares authorized | 10,000,000 | 10,000,000 |
| Preferred stock, shares issued | 0 | 0 |
| Preferred stock, shares outstanding | 0 | 0 |
| Class A Common Stock | ||
| Common stock, par value | $ 0.01 | $ 0.01 |
| Common stock, shares authorized | 50,000,000 | 50,000,000 |
| Common stock, shares issued | 7,989,749 | 7,768,010 |
| Common stock, shares outstanding | 7,989,749 | 7,768,010 |
| Class B Common Stock | ||
| Common stock, par value | $ 0.01 | $ 0.01 |
| Common stock, shares authorized | 25,000,000 | 25,000,000 |
| Common stock, shares issued | 4,695,014 | 4,520,413 |
| Common stock, shares outstanding | 4,695,014 | 4,520,413 |