GOODWILL AND OTHER INTANGIBLE ASSETS (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014	Jul. 02, 2015	Feb. 02, 2015	Jun. 18, 2014
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 34,528		$ 34,528		$ 27,557		$ 6,971
Amortization Of Intangible Assets	111	$ 66	319	$ 75
Other intangible assets	$ 4,880		$ 4,880		2,799
MK Capital [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill						$ 6,971
Capital Markets Segment [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill					$ 21,869
Trademarks [Member] | BRC [Member]
Finite-Lived Intangible Assets [Line Items]
Other intangible assets								$ 1,600
Customer Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life					4 years
Customer Relationships [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life					13 years
Customer Relationships [Member] | BRC [Member]
Finite-Lived Intangible Assets [Line Items]
Other intangible assets								$ 1,200
Customer Relationships [Member] | MK Capital [Member]
Finite-Lived Intangible Assets [Line Items]
Other intangible assets							$ 2,400
Auction and Liquidation Reportable Segment [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill					$ 1,975
Valuation and Appraisal Reportable Segment [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill					$ 3,713