v3.6.0.2

Consolidated Statements of Financial Condition (Parenthetical) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Accounts receivable, allowance for doubtful accounts | $ 475 | $ 1,149
Investments at fair value, cost basis | $ 33,593 | $ 38,628
Treasury stock, shares | 387,890 | 263,622
Class A common stock |  |
Common stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Common stock, shares authorized | (1,000,000,000) | 1,000,000,000
Common stock, shares issued | 20,948,998 | 20,536,740
Common stock, shares outstanding | 20,561,108 | 20,273,118
Class B common stock |  |
Common stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Common stock, shares authorized | (1,000,000,000) | 1,000,000,000
Common stock, shares issued | 31,138,193 | 31,229,236
Common stock, shares outstanding | 31,138,193 | 31,229,236

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