ACQUISITIONS CastleLine (Details) - USD ($) shares in Thousands, $ in Thousands	Jul. 17, 2015	Mar. 31, 2016	Dec. 31, 2015
Acquisitions
Goodwill		$ 82,801	$ 82,801
CastleLine [Member]
Acquisitions
Cash paid at acquisition	$ 12,300
Accounts Payable	$ 10,500
Contingent Consideration Arrangements, Payment Period	4 years
Number of shares exchanged for acquisition (in thousands)	495
Value of common stock paid at acquisition	$ 14,400
Contingent Consideration Arrangements, Range of Outcomes, Value, High	3,800
Cash	1,088
Accounts receivable, net	510
Prepaid Expense and Other Assets	66
Restricted cash	2,501
Non-Compete Agreements	1,105
Database/Others	465
Customer relationship	395
Trademark and Trade Names	150
Goodwill	28,125
Total Assets	34,405
Accounts Payable and accrued expenses	(875)
Deferred Revenue	87
Purchase Price	$ 33,443