Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill [Line Items]

Schedule of Goodwill [Table Text Block]

The following table summarizes the activity of goodwill by segment:

	Financial Advisory			Alternative Asset Advisory		Investment Banking			Total
Ending balance as of December 31, 2009	$	75,597		$	15,723	$	31,556		$	122,876
Additions due to acquisitions
Other(a)	13,811			2,212		—			16,023
Impact of foreign currency translation	271			—		—			271
Ending balance as of December 31, 2010	89,679			17,935		31,556			139,170
Additions due to acquisitions
Growth Capital Partners	—			—		7,806			7,806
MCR	—			—		20,177			20,177
Toronto-based financial restructuring practice of RSM Richter	—			—		4,514			4,514
Pagemill Partners	—			—		22,072			22,072
Other	20			—		—			20
Impact of foreign currency translation	(191		)	—		(598		)	(789		)
Ending balance as of December 31, 2011	89,508			17,935		85,527			192,970
Additions due to acquisitions
Other(b)	10,648			—		846			11,494
Impact of foreign currency translation	289			—		900			1,189
Ending balance as of December 31, 2012	$	100,445		$	17,935	$	87,273		$	205,653

Schedule of Amortization Expense [Table Text Block]

Amortization expense of intangible assets is summarized as follows:

	Year Ended
	December 31, 2012		December 31, 2011		December 31, 2010(a)
Amortization expense	$	9,422	$	5,007	$	3,760