GOODWILL (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Jun. 30, 2014
Goodwill [Roll Forward]
Balance as of January 1, 2014	$ 22,268
Effect of net foreign currency exchange rate changes	(776)
Balance as of September 30, 2014	39,055
North America
Goodwill [Roll Forward]
Balance as of January 1, 2014	16,438
Effect of net foreign currency exchange rate changes	(116)
Balance as of September 30, 2014	19,740
Europe
Goodwill [Roll Forward]
Balance as of January 1, 2014	2,864
Effect of net foreign currency exchange rate changes	(159)
Balance as of September 30, 2014	16,850
Russia
Goodwill [Roll Forward]
Balance as of January 1, 2014	2,966
Effect of net foreign currency exchange rate changes	(501)
Balance as of September 30, 2014	2,465
Netsoft
Goodwill [Roll Forward]
Acquisition	2,776
Balance as of September 30, 2014	2,776
Netsoft | North America
Goodwill [Roll Forward]
Acquisition	2,776
Netsoft | Europe
Goodwill [Roll Forward]
Acquisition	0
Netsoft | Russia
Goodwill [Roll Forward]
Acquisition	0
Jointech
Goodwill [Roll Forward]
Balance as of January 1, 2014		11,033
Acquisition	14,145
Balance as of September 30, 2014	14,145	11,033
Jointech | North America
Goodwill [Roll Forward]
Acquisition	0
Jointech | Europe
Goodwill [Roll Forward]
Acquisition	14,145
Jointech | Russia
Goodwill [Roll Forward]
Acquisition	0
GGA
Goodwill [Roll Forward]
Balance as of January 1, 2014		6,494
Acquisition	642
Balance as of September 30, 2014	642	6,494
GGA | North America
Goodwill [Roll Forward]
Acquisition	642
GGA | Europe
Goodwill [Roll Forward]
Acquisition	0
GGA | Russia
Goodwill [Roll Forward]
Acquisition	$ 0