Other Receivables (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Other Receivables [Abstract]
Asset management fees	$ 1,802	$ 3,165
New issue and advisory fees	635
Accrued interest and dividends receivable	810	931
Notes receivable		2,463
Revenue share receivable	605	2,217
Other	227	622
Other receivables	$ 4,079	$ 9,398