SELLING, GENERAL AND ADMINISTRATIVE EXPENSES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014		Sep. 30, 2013
Selling, General and Administrative Expense [Abstract]
Compensation and benefits	$ 11,770	$ 6,802	$ 31,870		$ 18,868
Professional services	4,106	2,168	10,896		5,184
Occupancy related costs	9,041	7,438	27,848		21,971
Amortization of intangible assets	9,717	8,620	29,290		18,857
Depreciation and amortization	2,112	1,390	5,408		3,441
Change in the fair value of Equator Earn Out	0		(37,924)		0
Goodwill impairment	0		37,473	[1]	0
Marketing costs	6,021	1,636	18,805		3,617
Other	3,981	3,465	15,637		8,089
Total	$ 46,748	$ 31,519	$ 139,303		$ 80,027

[1] See Note 3 for a discussion of the Equator goodwill impairment.